Created
October 7, 2026 10:17
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201 Keith numbers
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| 14 | |
| 19 | |
| 28 | |
| 47 | |
| 61 | |
| 75 | |
| 197 | |
| 742 | |
| 1104 | |
| 1537 | |
| 2208 | |
| 2580 | |
| 3684 | |
| 4788 | |
| 7385 | |
| 7647 | |
| 7909 | |
| 31331 | |
| 34285 | |
| 34348 | |
| 55604 | |
| 62662 | |
| 86935 | |
| 93993 | |
| 120284 | |
| 129106 | |
| 147640 | |
| 156146 | |
| 174680 | |
| 183186 | |
| 298320 | |
| 355419 | |
| 694280 | |
| 925993 | |
| 1084051 | |
| 7913837 | |
| 11436171 | |
| 33445755 | |
| 44121607 | |
| 129572008 | |
| 251133297 | |
| 24769286411 | |
| 96189170155 | |
| 171570159070 | |
| 202366307758 | |
| 239143607789 | |
| 296658839738 | |
| 1934197506555 | |
| 8756963649152 | |
| 43520999798747 | |
| 74596893730427 | |
| 97295849958669 | |
| 120984833091531 | |
| 270585509032586 | |
| 754788753590897 | |
| 3621344088074041 | |
| 3756915124022254 | |
| 4362827422508274 | |
| 11812665388886672 | |
| 14508137312404344 | |
| 16402582054271374 | |
| 69953250322018194 | |
| 73583709853303061 | |
| 119115440241433462 | |
| 166308721919462318 | |
| 301273478581322148 | |
| 1362353777290081176 | |
| 3389041747878384662 | |
| 5710594497265802190 | |
| 5776750370944624064 | |
| 6195637556095764016 | |
| 12763314479461384279 | |
| 27847652577905793413 | |
| 45419266414495601903 | |
| 855191324330802397989 | |
| 7657230882259548723593 | |
| 26842994422637112523337 | |
| 36899277593852609997403 | |
| 61333853602129819189668 | |
| 229146413136585558461227 | |
| 9838678687915198599200604 | |
| 18354972585225358067718266 | |
| 19876234926457288511947945 | |
| 98938191214220718050301312 | |
| 133118411174059688391045955 | |
| 153669354455482560987178342 | |
| 154140275428339949899922650 | |
| 154677881401007799974564336 | |
| 295768237361291708645227474 | |
| 956633720464114515890318410 | |
| 988242310393860390066911414 | |
| 9493976840390265868522067200 | |
| 41796205765147426974704791528 | |
| 70267375510207885242218837404 | |
| 127304146123884420932123248317 | |
| 344669719564188054170496150677 | |
| 389939548933846065763772833753 | |
| 534139807526361917710268232010 | |
| 756672276587447504826932994366 | |
| 1598187483427964679092074853838 | |
| 2405620130870553672640058975437 | |
| 41030306579725050560909919549414 | |
| 42983394195992223818343905028410 | |
| 47824404246899742508216679149392 | |
| 89980815134051887612993101615858 | |
| 172451142646837728336412943204299 | |
| 193962639439026709638083447831059 | |
| 303294117104027490007126494842828 | |
| 312736110821858321305917486145434 | |
| 359253598248137147666007355623218 | |
| 381933008901296879565658130750756 | |
| 1876178467884883559985053635963437 | |
| 2787674840304510129398176411111966 | |
| 5752090994058710841670361653731519 | |
| 23137274755282109912063039769168142 | |
| 25314398891465125143523864790391288 | |
| 44715370344837755402179510861188022 | |
| 47933465320021485928519060435917729 | |
| 196866601633638871239614307772203156 | |
| 214860400509971669129437189647933258 | |
| 394684240118372710589383926683340073 | |
| 763701584467955209221750616718219223 | |
| 880430656963418264331749765271577784 | |
| 1420874703435481164259150807251554224 | |
| 1657491794716110853448325485925058204 | |
| 3269348779667401201021223599978970201 | |
| 7921264696903885127987898365055639911 | |
| 12069039129052905731090802713847809250 | |
| 13574653803355561194057788163007729084 | |
| 13882149110607495895746221945240755844 | |
| 14937801989691410782008988303847648820 | |
| 15758429248456674552407892667585855126 | |
| 17259553559988812751998513963349199288 | |
| 24850329784995821754021103316821467213 | |
| 27740741911824887860753389621407283603 | |
| 54288380752677236674013393871383444205 | |
| 104204025234884482814094550183991383772 | |
| 215697830679154524503635806813270373461 | |
| 1004566042648580249092683926888439949414 | |
| 1816340802304828405869941580057044476938 | |
| 3667665486047337607150308556285662810291 | |
| 7322328822325833732474753985294810666035 | |
| 8065458946484467940332456027867108839048 | |
| 8425728713644186076789822654950556667780 | |
| 15424828410226613515507443774158669599960 | |
| 30081830087987579923672365111897261127043 | |
| 246886024248854821622701598693112655546442 | |
| 262352999160589366533639168718163151078418 | |
| 275098759996873662461317925206088540716562 | |
| 595772628889363625726896288920522288914169 | |
| 909174340023749619572306357633062920562913 | |
| 2112877907698905120555962354671456805629810 | |
| 4290808821126219499179742927817326615662906 | |
| 17467373971637404548114635268844355733328377 | |
| 71398493431907987712771787295396434920302163 | |
| 154692578281663954478716671357617796091461825 | |
| 290985559683328038709143906270221495951569185 | |
| All Keith numbers below this line were discovered | |
| with a very fast heuristic / not exhaustive solver. | |
| 1147946304095660995823185932425901692817621097 | |
| 4074161791378425031920732132852475734338047383 | |
| 4824241563863844989732164831137207389563661858 | |
| 71377930057592851950915829026782341912685330071 | |
| 139332630352669048317317648487909263712600435243 | |
| 599967653802678973700145509669436738134610140041 | |
| 625654838378432307128604352643275364025865859966 | |
| 698946891729425035695358541625933158789042768529 | |
| 1165033843830551349915608109661934471452012839785 | |
| 4537371268584120974066330243137954421195806336247 | |
| 5374457114697699920429370240573850297716697555284 | |
| 9962506803933037146368619029795420058945104746837 | |
| 42760933036469489907933268744637825643582229422382 | |
| 45611895590318018248847674624986987051848827537913 | |
| 79201857220839317037516711169873850325580077849409 | |
| 155201880114729126117229143958205199425199643749317 | |
| 677449833868849095881446095021591022314770968654012 | |
| 2403530661092542066247932337562486179631401935360195 | |
| 2473499934143102351450548924236783374705161590424427 | |
| 11206907623192999451837205924672406509648483209664178 | |
| 12438069956752579348872578394133288942932740998380028 | |
| 25664515253980631148556991999863875748786654055582942 | |
| 25983798848665000926765995179438664752480619415748728 | |
| 45679351072790984912842823929067859251982483041706513 | |
| 197387160780753729023952087810985468686257781751754851 | |
| 656562992310704860440272374829985243179081722360334250 | |
| 1649690534065935899518531482909334775652489788993426121 | |
| 5978096265844696054363112308447689149161742907042383449 | |
| 20602074577161882958234510458127482454309173154635015250 | |
| 98570483556617249276652552167663194572500701557877464184 | |
| 214858355688701649801524757929812711629388916546854587109 | |
| 779253166725963409351281635652395060951715731908423490769 | |
| 830252181962897443549897149155446607051802578987354600985 | |
| 836472734967202217822168184214666983884376288190472575695 | |
| 2792505276219593540190331385710419522048043907951856432232 | |
| 3565638972194569340452141615994297841796498486273954745515 | |
| 11481094433871204441863980032508558674943254662160181742513 | |
| 13372833841423346967825898500327969140916509974595561507522 | |
| 25795632852766145320407249478182656305886019375487712542182 | |
| 46682871732364650252370427189349007636005420280816932089271 | |
| 387628096028896601473324751162100735746217267532390197142176 | |
| 1909797172497840413357732976795105768777572944316538183575129 | |
| 427481574928460387059891258219370974079252542346734135326112023 | |
| 3988969121326196840667965956329607558021787332371217924943087449 |
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