Base 21 Repunits
Table
Viewing: 0 – 99 next >>
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
0: | \[{21^{0}-1\over20}\] | 0 |
1: | \[{21^{1}-1\over20}\] | 1 |
2: | \[{21^{2}-1\over20}\] | 2 × 11 |
3: | \[{21^{3}-1\over20}\] | 463 |
4: | \[{21^{4}-1\over20}\] | 22 × 11 × 13 × 17 |
5: | \[{21^{5}-1\over20}\] | 5 × 40841 |
6: | \[{21^{6}-1\over20}\] | 2 × 11 × 421 × 463 |
7: | \[{21^{7}-1\over20}\] | 43 × 631 × 3319 |
8: | \[{21^{8}-1\over20}\] | 23 × 11 × 13 × 17 × 97241 |
9: | \[{21^{9}-1\over20}\] | 463 × 85775383 |
10: | \[{21^{10}-1\over20}\] | 2 × 5 × 11 × 40841 × 185641 |
11: | \[{21^{11}-1\over20}\] | 17513875027111<14> |
12: | \[{21^{12}-1\over20}\] | 22 × 11 × 13 × 17 × 61 × 421 × 463 × 3181 |
13: | \[{21^{13}-1\over20}\] | 79 × 189437 × 516094151 |
14: | \[{21^{14}-1\over20}\] | 2 × 11 × 43 × 631 × 3319 × 81867661 |
15: | \[{21^{15}-1\over20}\] | 5 × 211 × 463 × 9391 × 18181 × 40841 |
16: | \[{21^{16}-1\over20}\] | 24 × 11 × 13 × 17 × 62897 × 97241 × 300673 |
17: | \[{21^{17}-1\over20}\] | 1502097124754084594737<22> |
18: | \[{21^{18}-1\over20}\] | 2 × 11 × 19 × 37 × 199 × 421 × 463 × 613 × 85775383 |
19: | \[{21^{19}-1\over20}\] | 12061389013<11> × 54921106624003<14> |
20: | \[{21^{20}-1\over20}\] | 22 × 5 × 11 × 13 × 17 × 41 × 40841 × 185641 × 920421641 |
21: | \[{21^{21}-1\over20}\] | 43 × 463 × 631 × 3319 × 4789 × 6427 × 227633407 |
22: | \[{21^{22}-1\over20}\] | 2 × 112 × 23 × 6073 × 10362529 × 17513875027111<14> |
23: | \[{21^{23}-1\over20}\] | 47 × 19597 × 139870566115103282847737<24> |
24: | \[{21^{24}-1\over20}\] | 23 × 11 × 13 × 17 × 61 × 73 × 421 × 463 × 3181 × 97241 × 518118697 |
25: | \[{21^{25}-1\over20}\] | 52 × 40841 × 2031851 × 27385718497004633851<20> |
26: | \[{21^{26}-1\over20}\] | 2 × 11 × 79 × 189437 × 516094151 × 7021471715414521<16> |
27: | \[{21^{27}-1\over20}\] | 109 × 163 × 463 × 4779433 × 85775383 × 7429452749713<13> |
28: | \[{21^{28}-1\over20}\] | 22 × 11 × 13 × 17 × 29 × 43 × 631 × 3319 × 3697 × 81867661 × 68454248717<11> |
29: | \[{21^{29}-1\over20}\] | 59 × 1103704099 × 246763300513<12> × 687613372491653<15> |
30: | \[{21^{30}-1\over20}\] | 2 × 5 × 11 × 31 × 211 × 421 × 463 × 2551 × 9391 × 18181 × 40841 × 185641 × 501001 |
31: | \[{21^{31}-1\over20}\] | 4540713283<10> × 3936833990413<13> × 272581865551637989<18> |
32: | \[{21^{32}-1\over20}\] | 25 × 11 × 13 × 17 × 1217 × 2689 × 31873 × 62897 × 97241 × 300673 × 6857635489<10> |
33: | \[{21^{33}-1\over20}\] | 67 × 463 × 17513875027111<14> × 3955202198062795629622003<25> |
34: | \[{21^{34}-1\over20}\] | 2 × 11 × 11969 × 114089969144083169<18> × 1502097124754084594737<22> |
35: | \[{21^{35}-1\over20}\] | 5 × 43 × 631 × 1471 × 3319 × 40841 × 4149601 × 20028751 × 421503321597121<15> |
36: | \[{21^{36}-1\over20}\] | 22 × 11 × 13 × 17 × 19 × 37 × 61 × 199 × 421 × 463 × 613 × 1693 × 3181 × 85775383 × 4344847859197<13> |
37: | \[{21^{37}-1\over20}\] | 31081 × 1681762703 × 7995105693353508392600118377453099<34> |
38: | \[{21^{38}-1\over20}\] | 2 × 11 × 609673 × 12061389013<11> × 54921106624003<14> × 987749814642143197<18> |
39: | \[{21^{39}-1\over20}\] | 79 × 463 × 547 × 1171 × 189437 × 516094151 × 80459337199345300130638393<26> |
40: | \[{21^{40}-1\over20}\] | 23 × 5 × 11 × 13 × 17 × 41 × 40841 × 97241 × 185641 × 3441241 × 920421641 × 415710882920521<15> |
41: | \[{21^{41}-1\over20}\] | 83 × 14122861 × 83218931 × 17222085343<11> × 914531249431<12> × 52899783148909<14> |
42: | \[{21^{42}-1\over20}\] | 2 × 11 × 43 × 337 × 421 × 463 × 631 × 3319 × 4789 × 6427 × 81867661 × 227633407 × 22864311556633<14> |
43: | \[{21^{43}-1\over20}\] | 35842614220783025524408588074144786493150233831596714503<56> |
44: | \[{21^{44}-1\over20}\] | 22 × 112 × 13 × 17 × 23 × 89 × 661 × 6073 × 10362529 × 17513875027111<14> × 4718573764413203147069<22> |
45: | \[{21^{45}-1\over20}\] | 5 × 211 × 463 × 9391 × 18181 × 40841 × 41489011 × 57815101 × 85775383 × 22554946693833031<17> |
46: | \[{21^{46}-1\over20}\] | 2 × 11 × 47 × 277 × 461 × 599 × 691 × 19597 × 2215825387044753577<19> × 139870566115103282847737<24> |
47: | \[{21^{47}-1\over20}\] | 49727 × 227011 × 75042551 × 158545759 × 5298873343<10> × 9794718038248648833094153<25> |
48: | \[{21^{48}-1\over20}\] | 24 × 11 × 13 × 17 × 61 × 73 × 193 × 421 × 433 × 463 × 673 × 3181 × 62897 × 97241 × 300673 × 1001713 × 25392481 × 518118697 |
49: | \[{21^{49}-1\over20}\] | 43 × 631 × 3319 × 7057 × 1606344741163<13> × 1767442850839<13> × 1703751007820049542146461103<28> |
50: | \[{21^{50}-1\over20}\] | 2 × 52 × 11 × 101 × 40841 × 185641 × 2031851 × 11093851 × 248303068144516751<18> × 27385718497004633851<20> |
51: | \[{21^{51}-1\over20}\] | 463 × 38047 × 1502097124754084594737<22> × 51233569124705721849500009982296618143<38> |
52: | \[{21^{52}-1\over20}\] | 22 × 11 × 132 × 17 × 53 × 79 × 32969 × 101089 × 189437 × 516094151 × 7021471715414521<16> × 23509884574335185209<20> |
53: | \[{21^{53}-1\over20}\] | 1697 × 207612155793974069<18> × 372515213872960388437<21> × 4555268603071594349347155493<28> |
54: | \[{21^{54}-1\over20}\] | 2 × 11 × 19 × 37 × 109 × 163 × 199 × 421 × 463 × 613 × 5077 × 17497 × 4779433 × 85775383 × 7429452749713<13> × 7101932659132249<16> |
55: | \[{21^{55}-1\over20}\] | 5 × 881 × 40841 × 5664205361<10> × 17513875027111<14> × 270573999780463721<18> × 54598616218616435702441<23> |
56: | \[{21^{56}-1\over20}\] | 23 × 11 × 13 × 17 × 29 × 43 × 617 × 631 × 3319 × 3697 × 97241 × 912521 × 81867661 × 68454248717<11> × 115593326297<12> × 831380909129<12> |
57: | \[{21^{57}-1\over20}\] | 463 × 304609 × 12061389013<11> × 54921106624003<14> × 1244541772187848099210936765314595053007129<43> |
58: | \[{21^{58}-1\over20}\] | 2 × 11 × 59 × 1277 × 1103704099 × 246763300513<12> × 687613372491653<15> × 7865855595529911658005355038639053<34> |
59: | \[{21^{59}-1\over20}\] | 896447 × 334217419 × 47540111129611360301<20> × 3599933694931243085497791696053868938364103<43> |
60: | \[{21^{60}-1\over20}\] | 22 × 5 × 11 × 13 × 17 × 31 × 41 × 61 × 211 × 421 × 463 × 2551 × 3181 × 9391 × 18181 × 40841 × 185641 × 501001 × 1360861 × 920421641 × 1053606939618901<16> |
61: | \[{21^{61}-1\over20}\] | 15373 × 12519763 × 1128331159687<13> × 1814065850324073713<19> × 57398774322642953389748085156004642469<38> |
62: | \[{21^{62}-1\over20}\] | 2 × 11 × 78059 × 4540713283<10> × 3936833990413<13> × 272581865551637989<18> × 56748249908554278937564172324714039<35> |
63: | \[{21^{63}-1\over20}\] | 43 × 127 × 463 × 631 × 3319 × 4789 × 6427 × 51787 × 85775383 × 227633407 × 22125429901<11> × 27186384126763<14> × 100595851688887003<18> |
64: | \[{21^{64}-1\over20}\] | 26 × 11 × 13 × 17 × 1217 × 2689 × 31873 × 62897 × 97241 × 300673 × 6857635489<10> × 1023263388750334684164671319051311082339521<43> |
65: | \[{21^{65}-1\over20}\] | 5 × 79 × 131 × 40841 × 189437 × 443431 × 516094151 × 47999819885150422820855221255204479443163906801765079421<56> |
66: | \[{21^{66}-1\over20}\] | 2 × 112 × 23 × 67 × 421 × 463 × 3499 × 6073 × 28513 × 33199 × 10362529 × 17513875027111<14> × 87989435079877<14> × 3955202198062795629622003<25> |
67: | \[{21^{67}-1\over20}\] | 269 × 324363426169571<15> × 312929837239650768379490219650039<33> × 71028332352256443443129296219339913167<38> |
68: | \[{21^{68}-1\over20}\] | 22 × 11 × 13 × 172 × 11969 × 300293033 × 114089969144083169<18> × 1502097124754084594737<22> × 399981195234791390040813065378761<33> |
69: | \[{21^{69}-1\over20}\] | 47 × 463 × 19597 × 459878292118921111<18> × 139870566115103282847737<24> × 31179105887601949149105715319437017328831<41> |
70: | \[{21^{70}-1\over20}\] | 2 × 5 × 11 × 43 × 71 × 631 × 1471 × 3319 × 40841 × 140351 × 185641 × 4149601 × 20028751 × 78555121 × 81867661 × 421503321597121<15> × 72413241922093801<17> |
71: | \[{21^{71}-1\over20}\] | 493509073 × 6912925952086714539251625713<28> × 110556144297525239244017467747224789359885811468762753179<57> |
72: | \[{21^{72}-1\over20}\] | 23 × 11 × 13 × 17 × 19 × 37 × 61 × 73 × 199 × 421 × 463 × 613 × 1693 × 3181 × 97241 × 816769 × 85775383 × 518118697 × 808208209 × 4344847859197<13> × 81967288802253121<17> |
73: | \[{21^{73}-1\over20}\] | 30661 × 5424905842809814580790135175148153005273370039115139875248165723989059011789226683837426053<91> |
74: | \[{21^{74}-1\over20}\] | 2 × 11 × 31081 × 1681762703 × 7995105693353508392600118377453099<34> × 379919184478057330357419845346252603881265273961<48> |
75: | \[{21^{75}-1\over20}\] | 52 × 151 × 211 × 463 × 1051 × 1801 × 9391 × 18181 × 40841 × 2031851 × 9728219701<10> × 201307465501<12> × 27385718497004633851<20> × 138288178346489520230701<24> |
76: | \[{21^{76}-1\over20}\] | 22 × 11 × 13 × 17 × 229 × 457 × 609673 × 12061389013<11> × 54921106624003<14> × 987749814642143197<18> × 3794540985952206860593938878074866571399837<43> |
77: | \[{21^{77}-1\over20}\] | 43 × 631 × 3319 × 6225803431<10> × 17513875027111<14> × 39824892937303186001525100993399811<35> × 82721492925050166710438512180782661<35> |
78: | \[{21^{78}-1\over20}\] | 2 × 11 × 79 × 421 × 463 × 547 × 1171 × 11701 × 189437 × 629773 × 516094151 × 7021471715414521<16> × 7691526674487958994017<22> × 80459337199345300130638393<26> |
79: | \[{21^{79}-1\over20}\] | 2687 × 10903 × 15208288358346544216626697<26> × 122435283552586211204658864416622901<36> × 261513239159154440967606433092726647<36> |
80: | \[{21^{80}-1\over20}\] | 24 × 5 × 11 × 13 × 17 × 41 × 241 × 9521 × 40841 × 62897 × 97241 × 185641 × 300673 × 3441241 × 22995281 × 33534961 × 920421641 × 3184193681 × 363230092241<12> × 415710882920521<15> |
81: | \[{21^{81}-1\over20}\] | 109 × 163 × 463 × 4779433 × 85775383 × 7429452749713<13> × 251097226443098886970664441840231990201201851332912023687544574398706423<72> |
82: | \[{21^{82}-1\over20}\] | 2 × 11 × 83 × 1231 × 1766117 × 14122861 × 83218931 × 17222085343<11> × 914531249431<12> × 52899783148909<14> × 33985282117517881270903492784746835442538163<44> |
83: | \[{21^{83}-1\over20}\] | 167 × 756131 × 941221 × 23343519976297040387448341592997138604460338237413223529466429945751726176986579124533941307079<95> |
84: | \[{21^{84}-1\over20}\] | 22 × 11 × 13 × 17 × 29 × 43 × 61 × 337 × 421 × 463 × 631 × 3181 × 3319 × 3697 × 4789 × 6427 × 18481 × 81867661 × 227633407 × 68454248717<11> × 22864311556633<14> × 2934413293238858072198024161<28> |
85: | \[{21^{85}-1\over20}\] | 5 × 40841 × 1502097124754084594737<22> × 11500287881306297400572689205013166485061<41> × 346846213951614446714019035689488886491130381<45> |
86: | \[{21^{86}-1\over20}\] | 2 × 11 × 173 × 15739 × 126851 × 169367548429<12> × 1163308526467<13> × 478811691676843729951<21> × 35842614220783025524408588074144786493150233831596714503<56> |
87: | \[{21^{87}-1\over20}\] | 59 × 463 × 1103704099 × 246763300513<12> × 687613372491653<15> × 7826081384442721874824416529<28> × 13477015991023291802765110016390772920553907009<47> |
88: | \[{21^{88}-1\over20}\] | 23 × 112 × 13 × 17 × 23 × 89 × 353 × 661 × 6073 × 97241 × 10362529 × 313433209 × 715521049 × 17513875027111<14> × 29831330140869137<17> × 32775913825604401<17> × 4718573764413203147069<22> |
89: | \[{21^{89}-1\over20}\] | 138348511207<12> × 1719937817227174896868741057213630597485253956382680484361683645714455944660556942937263903929864448451087<106> |
90: | \[{21^{90}-1\over20}\] | 2 × 5 × 11 × 19 × 31 × 37 × 199 × 211 × 421 × 463 × 613 × 2551 × 9391 × 18181 × 40841 × 185641 × 501001 × 658261 × 41489011 × 57815101 × 85775383 × 22554946693833031<17> × 82207575664095002495707981<26> |
91: | \[{21^{91}-1\over20}\] | 43 × 79 × 631 × 3319 × 189437 × 516094151 × 35381269315942497678572657090020747<35> × 4264091474110761334946377629947327910839217826620223120485043<61> |
92: | \[{21^{92}-1\over20}\] | 22 × 11 × 13 × 17 × 47 × 277 × 461 × 599 × 691 × 19597 × 477045301 × 11918195405621<14> × 2215825387044753577<19> × 139870566115103282847737<24> × 2641770975903509717963660601029203121<37> |
93: | \[{21^{93}-1\over20}\] | 373 × 463 × 1303 × 4540713283<10> × 3936833990413<13> × 272581865551637989<18> × 5490236844314625181981860471139<31> × 7687249112242592598176964045333142849438561<43> |
94: | \[{21^{94}-1\over20}\] | 2 × 11 × 283 × 1129 × 49727 × 227011 × 10165349 × 32036611 × 75042551 × 158545759 × 5298873343<10> × 230199028303<12> × 9794718038248648833094153<25> × 264564425522789761284612235919<30> |
95: | \[{21^{95}-1\over20}\] | 5 × 40841 × 12061389013<11> × 19449969211<11> × 54921106624003<14> × 619598441951897251<18> × 2522688573446019221<19> × 4962575794097659196896553056277931780683391554141<49> |
96: | \[{21^{96}-1\over20}\] | 25 × 11 × 13 × 17 × 61 × 73 × 97 × 193 × 421 × 433 × 463 × 673 × 1217 × 2689 × 3181 × 31873 × 62897 × 97241 × 300673 × 1001713 × 25392481 × 518118697 × 6857635489<10> × 93310250563834657<17> × 226108215051938888394049<24> |
97: | \[{21^{97}-1\over20}\] | 1747 × 298027069 × 99141858256733<14> × 29748627560719740825024892426535732998061<41> × 5860963105358989903195525558207622859647715180010295355986863<61> |
98: | \[{21^{98}-1\over20}\] | 2 × 11 × 43 × 631 × 3319 × 7057 × 81867661 × 1606344741163<13> × 1767442850839<13> × 2524084462789<13> × 86494371600108393937<20> × 156357474589352978545297<24> × 1703751007820049542146461103<28> |
99: | \[{21^{99}-1\over20}\] | 67 × 463 × 85775383 × 17513875027111<14> × 782006960636353<15> × 146354764854514987<18> × 3955202198062795629622003<25> × 188145268678304791443009491673532813732054627291<48> |
Index range: 0 – 99 next >>