幸运彩票|登录平台

                    REVERSAL-ADDITION PALINDROME TEST ON 180005998298

                    Reverse and Add Process:

                    1. Pick a number.
                    2. Reverse its digits and add this value to the original number.
                    3. If this is not a palindrome, go back to step 2 and repeat.
                    Let's view this Reverse and Add sequence starting with 180005998298:
                    180005998298
                    + 892899500081
                    step 1: 1072905498379
                    + 9738945092701
                    step 2: 10811850591080
                    + 08019505811801
                    step 3: 18831356402881
                    + 18820465313881
                    step 4: 37651821716762
                    + 26761712815673
                    step 5: 64413534532435
                    + 53423543531446
                    step 6: 117837078063881
                    + 188360870738711
                    step 7: 306197948802592
                    + 295208849791603
                    step 8: 601406798594195
                    + 591495897604106
                    step 9: 1192902696198301
                    + 1038916962092911
                    step 10: 2231819658291212
                    + 2121928569181322
                    step 11: 4353748227472534
                    + 4352747228473534
                    step 12: 8706495455946068
                    + 8606495545946078
                    step 13: 17312991001892146
                    + 64129810019921371
                    step 14: 81442801021813517
                    + 71531812010824418
                    step 15: 152974613032637935
                    + 539736230316479251
                    step 16: 692710843349117186
                    + 681711943348017296
                    step 17: 1374422786697134482
                    + 2844317966872244731
                    step 18: 4218740753569379213
                    + 3129739653570478124
                    step 19: 7348480407139857337
                    + 7337589317040848437
                    step 20: 14686069724180705774
                    + 47750708142796068641
                    step 21: 62436777866976774415
                    + 51447767966877763426
                    step 22: 113884545833854537841
                    + 148735458338545488311
                    step 23: 262620004172400026152
                    + 251620004271400026262
                    step 24: 514240008443800052414
                    + 414250008344800042415
                    step 25: 928490016788600094829
                    + 928490006887610094829
                    step 26: 1856980023676210189658
                    + 8569810126763200896581
                    step 27: 10426790150439411086239
                    + 93268011493405109762401
                    step 28: 103694801643844520848640
                    + 046848025448346108496301
                    step 29: 150542827092190629344941
                    + 149443926091290728245051
                    step 30: 299986753183481357589992
                    + 299985753184381357689992
                    step 31: 599972506367862715279984
                    + 489972517268763605279995
                    step 32: 1089945023636626320559979
                    + 9799550236266363205499801
                    step 33: 10889495259902989526059780
                    + 08795062598920995259498801
                    step 34: 19684557858823984785558581
                    + 18585558748932885875548691
                    step 35: 38270116607756870661107272
                    + 27270116607865770661107283
                    step 36: 65540233215622641322214555
                    + 55541222314622651233204556
                    step 37: 121081455530245292555419111
                    + 111914555292542035554180121
                    step 38: 232996010822787328109599232
                    + 232995901823787228010699232
                    step 39: 465991912646574556120298464
                    + 464892021655475646219199564
                    step 40: 930883934302050202339498028
                    + 820894933202050203439388039
                    step 41: 1751778867504100405778886067
                    + 7606888775040014057688771571
                    step 42: 9358667642544114463467657638
                    + 8367567643644114452467668539
                    step 43: 17726235286188228915935326177
                    + 77162353951982288168253262771
                    step 44: 94888589238170517084188588948
                    + 84988588148071507183298588849
                    step 45: 179877177386242024267487177797
                    + 797771784762420242683771778971
                    step 46: 977648962148662266951258956768
                    + 867659852159662266841269846779
                    step 47: 1845308814308324533792528803547
                    + 7453088252973354238034188035481
                    step 48: 9298397067281678771826716839028
                    + 8209386176281778761827607938929
                    step 49: 17507783243563457533654324777957
                    + 75977742345633575436534238770571
                    step 50: 93485525589197032970188563548528
                    + 82584536588107923079198552558439
                    step 51: 176070062177304956049387116106967
                    + 769601611783940659403771260070671
                    step 52: 945671673961245615453158376177638
                    + 836771673851354516542169376176549
                    step 53: 1782443347812600131995327752354187
                    + 7814532577235991310062187433442871
                    step 54: 9596975925048591442057515185797058
                    + 8507975815157502441958405295796959
                    step 55: 18104951740206093884015920481594017
                    + 71049518402951048839060204715940181
                    step 56: 89154470143157142723076125197534198
                    + 89143579152167032724175134107445198
                    step 57: 178298049295324175447251259304979396
                    + 693979403952152744571423592940892871
                    step 58: 872277453247476920018674852245872267
                    + 762278542258476810029674742354772278
                    step 59: 1634555995505953730048349594600644545
                    + 5454460064959438400373595055995554361
                    step 60: 7089016060465392130421944650596198906
                    + 6098916950564491240312935640606109807
                    step 61: 13187933011029883370734880291202308713
                    + 31780320219208843707338892011033978131
                    step 62: 44968253230238727078073772302236286844
                    + 44868263220327737087072783203235286944
                    step 63: 89836516450566464165146555505471573788
                    + 88737517450555564156146466505461563898
                    step 64: 178574033901122028321293022010933137686
                    + 686731339010220392123820221109330475871
                    step 65: 865305372911342420445113243120263613557
                    + 755316362021342311544024243119273503568
                    step 66: 1620621734932684731989137486239537117125
                    + 5217117359326847319891374862394371260261
                    step 67: 6837739094259532051880512348633908377386
                    + 6837738093368432150881502359524909377386
                    step 68: 13675477187627964202762014708158817754772
                    + 27745771885180741026720246972678177457631
                    step 69: 41421249072808705229482261680836995212403
                    + 30421259963808616228492250780827094212414
                    step 70: 71842509036617321457974512461664089424817
                    + 71842498046616421547975412371663090524817
                    step 71: 143685007083233743005949924833327179949634
                    + 436949971723338429949500347332380700586341
                    step 72: 580634978806572172955450272165707880535975
                    + 579535088707561272054559271275608879436085
                    step 73: 1160170067514133445010009543441316759972060
                    + 0602799576131443459000105443314157600710611
                    step 74: 1762969643645576904010114986755474360682671
                    + 1762860634745576894110104096755463469692671
                    step 75: 3525830278391153798120219083510937830375342
                    + 2435730387390153809120218973511938720385253
                    step 76: 5961560665781307607240438057022876550760595
                    + 5950670556782207508340427067031875660651695
                    step 77: 11912231222563515115580865124054752211412290
                    + 09221411225745042156808551151536522213221911
                    step 78: 21133642448308557272389416275591274424634201
                    + 10243642447219557261498327275580384424633112
                    step 79: 31377284895528114533887743551171658849267313
                    + 31376294885617115534778833541182559848277313
                    step 80: 62753579781145230068666577092354218697544626
                    + 62644579681245329077566686003254118797535726
                    step 81: 125398159462390559146233263095608337495080352
                    + 253080594733806590362332641955093264951893521
                    step 82: 378478754196197149508565905050701602446973873
                    + 378379644206107050509565805941791691457874873
                    step 83: 756858398402304200018131710992493293904848746
                    + 647848409392394299017131810002403204893858657
                    step 84: 1404706807794698499035263520994896498798707403
                    + 3047078978946984990253625309948964977086074041
                    step 85: 4451785786741683489288888830943861475884781444
                    + 4441874885741683490388888829843861476875871544
                    step 86: 8893660672483366979677777660787722952760652988
                    + 8892560672592277870667777769796633842760663988
                    step 87: 17786221345075644850345555430584356795521316976
                    + 67961312559765348503455554305844657054312268771
                    step 88: 85747533904840993353801109736429013849833585747
                    + 74758533894831092463790110835339904840933574758
                    step 89: 160506067799672085817591220571768918690767160505
                    + 505061767096819867175022195718580276997760605061
                    step 90: 665567834896491952992613416290349195688527765566
                    + 665567725886591943092614316299259194698438765566
                    step 91: 1331135560783083896085227732589608390386966531132
                    + 2311356696830938069852377225806983803870655311331
                    step 92: 3642492257614021965937604958396592194257621842463
                    + 3642481267524912956938594067395691204167522942463
                    step 93: 7284973525138934922876199025792283398425144784926
                    + 6294874415248933822975209916782294398315253794827
                    step 94: 13579847940387868745851408942574577796740398579753
                    + 35797589304769777547524980415854786878304974897531
                    step 95: 49377437245157646293376389358429364675045373477284
                    + 48277437354057646392485398367339264675154273477394
                    step 96: 97654874599215292685861787725768629350199646954678
                    + 87645964699105392686752778716858629251299547845679
                    step 97: 185300839298320685372614566442627258601499194800357
                    + 753008491994106852726244665416273586023892938003581
                    step 98: 938309331292427538098859231858900844625392132803938
                    + 839308231293526448009858132958890835724292133903839
                    step 99: 1777617562585953986108717364817791680349684266707777
                    + 7777076624869430861977184637178016893595852657167771
                    step 100: 9554694187455384848085902001995808573945536923875548
                    + 8455783296355493758085991002095808484835547814964559
                    step 101: 18010477483810878606171893004091617058781084738840107
                    + 70104883748018785071619040039817160687801838477401081
                    step 102: 88115361231829663677790933043908777746582923216241188
                    + 88114261232928564777780934033909777636692813216351188
                    step 103: 176229622464758228455571867077818555383275736432592376
                    + 673295234637572383555818770768175554822857464226922671
                    step 104: 849524857102330612011390637845994110206133200659515047
                    + 740515956002331602011499548736093110216033201758425948
                    step 105: 1590040813104662214022890186582087220422166402417940995
                    + 5990497142046612240227802856810982204122664013180400951
                    step 106: 7580537955151274454250693043393069424544830415598341946
                    + 6491438955140384454249603933403960524544721515597350857
                    step 107: 14071976910291658908500296976797029949089551931195692803
                    + 30829659113915598094992079767969200580985619201967917041
                    step 108: 44901636024207257003492376744766230530075171133163609844
                    + 44890636133117157003503266744767329430075270242063610944
                    step 109: 89792272157324414006995643489533559960150441375227220788
                    + 88702272257314405106995533598434659960041442375127229798
                    step 110: 178494544414638819113991177087968219920191883750354450586
                    + 685054453057388191029912869780771199311918836414445494871
                    step 111: 863548997472027010143904046868739419232110720164799945457
                    + 754549997461027011232914937868640409341010720274799845368
                    step 112: 1618098994933054021376818984737379828573121440439599790825
                    + 5280979959340441213758289737374898186731204503394998908161
                    step 113: 6899078954273495235135108722112278015304325943834598698986
                    + 6898968954383495234035108722112278015315325943724598709986
                    step 114: 13798047908656990469170217444224556030619651887559197408972
                    + 27980479195578815691603065542244471207196409965680974089731
                    step 115: 41778527104235806160773282986469027237816061853240171498703
                    + 30789417104235816061873272096468928237706160853240172587714
                    step 116: 72567944208471622222646555082937955475522222706480344086417
                    + 71468044308460722222557455973928055564622222617480244976527
                    step 117: 144035988516932344445204011056866011040144445323960589062944
                    + 449260985069323544441040110668650110402544443239615889530441
                    step 118: 593296973586255888886244121725516121442688888563576478593385
                    + 583395874675365888886244121615527121442688888552685379692395
                    step 119: 1176692848261621777772488243341043242885377777116261858285780
                    + 0875828581626117777735882423401433428842777771261628482966711
                    step 120: 2052521429887739555508370666742476671728155548377890341252491
                    + 1942521430987738455518271766742476660738055559377889241252502
                    step 121: 3995042860875478011026642433484953332466211107755779582504993
                    + 3994052859775577011126642333594843342466201108745780682405993
                    step 122: 7989095720651055022153284767079796674932412216501560264910986
                    + 6890194620651056122142394766979707674823512205501560275909897
                    step 123: 14879290341302111144295679534059504349755924422003120540820883
                    + 38802804502130022442955794340595043597659244111120314309297841
                    step 124: 53682094843432133587251473874654547947415168533123434850118724
                    + 42781105843432133586151474974545647837415278533123434849028635
                    step 125: 96463200686864267173402948849200195784830447066246869699147359
                    + 95374199696864266074403848759100294884920437176246868600236469
                    step 126: 191837400383728533247806797608300490669750884242493738299383828
                    + 828383992837394242488057966094003806797608742335827383004738191
                    step 127: 1020221393221122775735864763702304297467359626578321121304122019
                    + 9102214031211238756269537647924032073674685375772211223931220201
                    step 128: 10122435424432361532005402411626336371142045002350532345235342220
                    + 02224353254323505320054024117363362611420450023516323442453422101
                    step 129: 12346788678755866852059426528989698982562495025866855787688764321
                    180005998298 takes 129 iterations / steps to resolve into a 65 digit palindrome.

                    REVERSAL-ADDITION PALINDROME RECORDS

                    Most Delayed Palindromic Number for each digit length
                    (Only iteration counts for which no smaller records exist are considered. My program records only the smallest number that resolves for each distinct iteration count. For example, there are 18-digit numbers that resolve in 232 iterations, higher than the 228 iteration record shown for 18-digit numbers, but they were not recorded, as a smaller [17-digit] number already holds the record for 232 iterations.)

                    DigitsNumberResult
                    2
                    3
                    4
                    5
                    6
                    7
                    8
                    9
                    10
                    11
                    12
                    13
                    14
                    15
                    16
                    17
                    18
                    19
                    89
                    187
                    1,297
                    10,911
                    150,296
                    9,008,299
                    10,309,988
                    140,669,390
                    1,005,499,526
                    10,087,799,570
                    100,001,987,765
                    1,600,005,969,190
                    14,104,229,999,995
                    100,120,849,299,260
                    1,030,020,097,997,900
                    10,442,000,392,399,960
                    170,500,000,303,619,996
                    1,186,060,307,891,929,990
                    solves in 24 iterations.
                    solves in 23 iterations.
                    solves in 21 iterations.
                    solves in 55 iterations.
                    solves in 64 iterations.
                    solves in 96 iterations.
                    solves in 95 iterations.
                    solves in 98 iterations.
                    solves in 109 iterations.
                    solves in 149 iterations.
                    solves in 143 iterations.
                    solves in 188 iterations.
                    solves in 182 iterations.
                    solves in 201 iterations.
                    solves in 197 iterations.
                    solves in 236 iterations.
                    solves in 228 iterations.
                    solves in 261 iterations - World Record!
                    [View all records]

                    This reverse and add program was created by Jason Doucette.
                    Please visit my Palindromes and World Records page.
                    You have permission to use the data from this webpage (with due credit).
                    A link to my website is much appreciated. Thank you.

                    (This program has been run 2,095,709 times since Saturday, March 9th, 2002.)

                                      constellation

                                      city

                                      mailbox

                                      constellation

                                      Technology

                                      search for

                                      car

                                      Variety show

                                      Buy a car