Base 9 Repunits
Table
Viewing: 0 – 99 next >>
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 0: | \[{9^{0}-1\over8}\] | 0 |
| 1: | \[{9^{1}-1\over8}\] | 1 |
| 2: | \[{9^{2}-1\over8}\] | 2 × 5 |
| 3: | \[{9^{3}-1\over8}\] | 7 × 13 |
| 4: | \[{9^{4}-1\over8}\] | 22 × 5 × 41 |
| 5: | \[{9^{5}-1\over8}\] | 112 × 61 |
| 6: | \[{9^{6}-1\over8}\] | 2 × 5 × 7 × 13 × 73 |
| 7: | \[{9^{7}-1\over8}\] | 547 × 1093 |
| 8: | \[{9^{8}-1\over8}\] | 23 × 5 × 17 × 41 × 193 |
| 9: | \[{9^{9}-1\over8}\] | 7 × 13 × 19 × 37 × 757 |
| 10: | \[{9^{10}-1\over8}\] | 2 × 52 × 112 × 61 × 1181 |
| 11: | \[{9^{11}-1\over8}\] | 23 × 67 × 661 × 3851 |
| 12: | \[{9^{12}-1\over8}\] | 22 × 5 × 7 × 13 × 41 × 73 × 6481 |
| 13: | \[{9^{13}-1\over8}\] | 398581 × 797161 |
| 14: | \[{9^{14}-1\over8}\] | 2 × 5 × 29 × 547 × 1093 × 16493 |
| 15: | \[{9^{15}-1\over8}\] | 7 × 112 × 13 × 31 × 61 × 271 × 4561 |
| 16: | \[{9^{16}-1\over8}\] | 24 × 5 × 17 × 41 × 193 × 21523361 |
| 17: | \[{9^{17}-1\over8}\] | 103 × 307 × 1021 × 1871 × 34511 |
| 18: | \[{9^{18}-1\over8}\] | 2 × 5 × 7 × 13 × 19 × 37 × 73 × 757 × 530713 |
| 19: | \[{9^{19}-1\over8}\] | 1597 × 2851 × 101917 × 363889 |
| 20: | \[{9^{20}-1\over8}\] | 22 × 52 × 112 × 41 × 61 × 1181 × 42521761 |
| 21: | \[{9^{21}-1\over8}\] | 72 × 13 × 43 × 547 × 1093 × 2269 × 368089 |
| 22: | \[{9^{22}-1\over8}\] | 2 × 5 × 23 × 67 × 661 × 3851 × 5501 × 570461 |
| 23: | \[{9^{23}-1\over8}\] | 47 × 1001523179 × 23535794707<11> |
| 24: | \[{9^{24}-1\over8}\] | 23 × 5 × 7 × 13 × 17 × 41 × 73 × 97 × 193 × 577 × 769 × 6481 |
| 25: | \[{9^{25}-1\over8}\] | 112 × 61 × 151 × 8951 × 391151 × 22996651 |
| 26: | \[{9^{26}-1\over8}\] | 2 × 5 × 53 × 398581 × 797161 × 4795973261<10> |
| 27: | \[{9^{27}-1\over8}\] | 7 × 13 × 19 × 37 × 109 × 433 × 757 × 8209 × 19441 × 19927 |
| 28: | \[{9^{28}-1\over8}\] | 22 × 5 × 29 × 41 × 547 × 1093 × 16493 × 430697 × 647753 |
| 29: | \[{9^{29}-1\over8}\] | 59 × 523 × 6091 × 28537 × 5385997 × 20381027 |
| 30: | \[{9^{30}-1\over8}\] | 2 × 52 × 7 × 112 × 13 × 31 × 61 × 73 × 271 × 1181 × 4561 × 47763361 |
| 31: | \[{9^{31}-1\over8}\] | 683 × 6883 × 102673 × 4404047 × 22434744889<11> |
| 32: | \[{9^{32}-1\over8}\] | 25 × 5 × 17 × 41 × 193 × 21523361 × 926510094425921<15> |
| 33: | \[{9^{33}-1\over8}\] | 7 × 13 × 23 × 67 × 661 × 3851 × 25411 × 176419 × 2413941289 |
| 34: | \[{9^{34}-1\over8}\] | 2 × 5 × 103 × 307 × 1021 × 1871 × 34511 × 956353 × 1743831169 |
| 35: | \[{9^{35}-1\over8}\] | 112 × 61 × 71 × 547 × 1093 × 2664097031 × 374857981681<12> |
| 36: | \[{9^{36}-1\over8}\] | 22 × 5 × 7 × 13 × 19 × 37 × 41 × 73 × 757 × 6481 × 530713 × 282429005041<12> |
| 37: | \[{9^{37}-1\over8}\] | 18427 × 107671 × 13097927 × 56737873 × 17189128703<11> |
| 38: | \[{9^{38}-1\over8}\] | 2 × 5 × 1597 × 2851 × 101917 × 363889 × 5301533 × 25480398173<11> |
| 39: | \[{9^{39}-1\over8}\] | 7 × 132 × 79 × 157 × 313 × 2887 × 6553 × 7333 × 10141 × 398581 × 797161 |
| 40: | \[{9^{40}-1\over8}\] | 23 × 52 × 112 × 17 × 41 × 61 × 193 × 1181 × 14401 × 42521761 × 128653413121<12> |
| 41: | \[{9^{41}-1\over8}\] | 83 × 33703 × 2526913 × 86950696619<11> × 270547105429567<15> |
| 42: | \[{9^{42}-1\over8}\] | 2 × 5 × 72 × 13 × 29 × 43 × 73 × 547 × 1093 × 2269 × 2857 × 16493 × 368089 × 109688713 |
| 43: | \[{9^{43}-1\over8}\] | 431 × 380808546861411923<18> × 82064241848634269407<20> |
| 44: | \[{9^{44}-1\over8}\] | 22 × 5 × 23 × 41 × 67 × 89 × 661 × 3851 × 5501 × 570461 × 2382953 × 56625998353<11> |
| 45: | \[{9^{45}-1\over8}\] | 7 × 112 × 13 × 19 × 31 × 37 × 61 × 181 × 271 × 757 × 1621 × 4561 × 387631 × 755551 × 927001 |
| 46: | \[{9^{46}-1\over8}\] | 2 × 5 × 47 × 12553493 × 1001523179 × 23535794707<11> × 70601370627701<14> |
| 47: | \[{9^{47}-1\over8}\] | 1223 × 16921 × 21997 × 256057 × 5112661 × 96656723 × 1534179947851<13> |
| 48: | \[{9^{48}-1\over8}\] | 24 × 5 × 7 × 13 × 17 × 41 × 73 × 97 × 193 × 577 × 769 × 6481 × 76801 × 21523361 × 24127552321<11> |
| 49: | \[{9^{49}-1\over8}\] | 491 × 547 × 1093 × 4019 × 8233 × 51157 × 131713 × 857643277 × 127522693159<12> |
| 50: | \[{9^{50}-1\over8}\] | 2 × 53 × 112 × 61 × 101 × 151 × 1181 × 8951 × 391151 × 394201 × 22996651 × 61070817601<11> |
| 51: | \[{9^{51}-1\over8}\] | 7 × 13 × 103 × 307 × 613 × 1021 × 1871 × 12853 × 30091 × 34511 × 129159847 × 99810171997<11> |
| 52: | \[{9^{52}-1\over8}\] | 22 × 5 × 41 × 53 × 398581 × 797161 × 2093124281 × 4795973261<10> × 37644053098601<14> |
| 53: | \[{9^{53}-1\over8}\] | 107 × 24169 × 78719947 × 61557605176233223<17> × 3747607031112307667<19> |
| 54: | \[{9^{54}-1\over8}\] | 2 × 5 × 7 × 13 × 19 × 37 × 73 × 109 × 433 × 757 × 8209 × 19441 × 19927 × 530713 × 150094634909578633<18> |
| 55: | \[{9^{55}-1\over8}\] | 113 × 23 × 61 × 67 × 661 × 1321 × 3851 × 659671 × 24472341743191<14> × 560088668384411<15> |
| 56: | \[{9^{56}-1\over8}\] | 23 × 5 × 17 × 29 × 41 × 113 × 193 × 547 × 1093 × 16493 × 19489 × 430697 × 647753 × 36214795668330833<17> |
| 57: | \[{9^{57}-1\over8}\] | 7 × 13 × 229 × 1597 × 2851 × 3079 × 53923 × 101917 × 248749 × 363889 × 1162320517 × 1824179209 |
| 58: | \[{9^{58}-1\over8}\] | 2 × 5 × 59 × 523 × 6091 × 12413 × 28537 × 5385997 × 20381027 × 37945127666529000523013<23> |
| 59: | \[{9^{59}-1\over8}\] | 3187 × 14425532687<11> × 489769993189671059<18> × 1108439448677340328268341<25> |
| 60: | \[{9^{60}-1\over8}\] | 22 × 52 × 7 × 112 × 13 × 31 × 41 × 61 × 73 × 241 × 271 × 1181 × 4561 × 6481 × 298801 × 26050081 × 42521761 × 47763361 |
| 61: | \[{9^{61}-1\over8}\] | 367 × 603901 × 105293313660391861035901<24> × 86630432442539925437931403<26> |
| 62: | \[{9^{62}-1\over8}\] | 2 × 5 × 683 × 6883 × 102673 × 4404047 × 1403808961 × 2860659169 × 9500438809<10> × 22434744889<11> |
| 63: | \[{9^{63}-1\over8}\] | 72 × 13 × 19 × 37 × 43 × 127 × 547 × 757 × 883 × 1093 × 2269 × 2521 × 368089 × 550554229 × 144542918285300809<18> |
| 64: | \[{9^{64}-1\over8}\] | 26 × 5 × 17 × 41 × 193 × 21523361 × 926510094425921<15> × 1716841910146256242328924544641<31> |
| 65: | \[{9^{65}-1\over8}\] | 112 × 61 × 131 × 398581 × 797161 × 3701101 × 110133112994711<15> × 105919308797935444986721<24> |
| 66: | \[{9^{66}-1\over8}\] | 2 × 5 × 7 × 13 × 23 × 67 × 73 × 661 × 3851 × 5501 × 25411 × 176419 × 570461 × 2413941289 × 13490012358249728401<20> |
| 67: | \[{9^{67}-1\over8}\] | 221101 × 5390821 × 441019876741<12> × 475384700124973<15> × 4299412981246169975118907<25> |
| 68: | \[{9^{68}-1\over8}\] | 22 × 5 × 41 × 103 × 137 × 307 × 1021 × 1871 × 34511 × 956353 × 1743831169 × 6458150122561<13> × 3833564416504313<16> |
| 69: | \[{9^{69}-1\over8}\] | 7 × 13 × 47 × 139 × 277 × 5107 × 9109 × 132619 × 1476463 × 1001523179 × 23535794707<11> × 2461243576713869557<19> |
| 70: | \[{9^{70}-1\over8}\] | 2 × 52 × 112 × 29 × 61 × 71 × 547 × 1093 × 1181 × 16493 × 28596961 × 32839661 × 94373861 × 2664097031 × 374857981681<12> |
| 71: | \[{9^{71}-1\over8}\] | 853 × 2131 × 82219 × 3099719989 × 4052490063499<13> × 3754733257489862401973357979128773<34> |
| 72: | \[{9^{72}-1\over8}\] | 23 × 5 × 7 × 13 × 17 × 19 × 37 × 41 × 73 × 97 × 193 × 577 × 757 × 769 × 6481 × 530713 × 1418632417 × 282429005041<12> × 56227703611393<14> |
| 73: | \[{9^{73}-1\over8}\] | 439 × 11243 × 20149 × 15768033143<11> × 9460375336977361<16> × 38488154120055537150068589763279<32> |
| 74: | \[{9^{74}-1\over8}\] | 2 × 5 × 149 × 18427 × 107671 × 953861 × 13097927 × 56737873 × 17189128703<11> × 142659759801404920771391593<27> |
| 75: | \[{9^{75}-1\over8}\] | 7 × 112 × 13 × 31 × 61 × 151 × 271 × 601 × 2551 × 4561 × 8951 × 9601 × 26251 × 119101 × 391151 × 1530601 × 22996651 × 2098303812601<13> |
| 76: | \[{9^{76}-1\over8}\] | 22 × 5 × 41 × 761 × 1597 × 2851 × 31769 × 101917 × 363889 × 3302353 × 5301533 × 25480398173<11> × 278733912072436804273<21> |
| 77: | \[{9^{77}-1\over8}\] | 23 × 67 × 547 × 661 × 1093 × 3851 × 51457561 × 7151459701<10> × 76831835389<11> × 56495392933101222275861053369<29> |
| 78: | \[{9^{78}-1\over8}\] | 2 × 5 × 7 × 132 × 53 × 73 × 79 × 157 × 313 × 2887 × 6553 × 7333 × 10141 × 325729 × 398581 × 797161 × 4795973261<10> × 271722723752757889<18> |
| 79: | \[{9^{79}-1\over8}\] | 66361 × 432853009 × 327220181191<12> × 392038110671<12> × 145171177264407947<18> × 567239060331150635317<21> |
| 80: | \[{9^{80}-1\over8}\] | 24 × 52 × 112 × 17 × 41 × 61 × 193 × 1181 × 14401 × 8194721 × 21523361 × 42521761 × 700984481 × 128653413121<12> × 597747428754241<15> |
| 81: | \[{9^{81}-1\over8}\] | 7 × 13 × 19 × 37 × 109 × 163 × 433 × 757 × 1297 × 3889 × 8209 × 19441 × 19927 × 208657 × 224209 × 1190701 × 5879415781<10> × 12557612956332313<17> |
| 82: | \[{9^{82}-1\over8}\] | 2 × 5 × 83 × 33703 × 2088869 × 2526913 × 110767897 × 86950696619<11> × 270547105429567<15> × 574933708017116710865237<24> |
| 83: | \[{9^{83}-1\over8}\] | 167 × 499 × 997 × 12119 × 2466097 × 1036745531 × 950996059627210897943351<24> × 813201725710097952736361977<27> |
| 84: | \[{9^{84}-1\over8}\] | 22 × 5 × 72 × 13 × 29 × 41 × 43 × 73 × 337 × 547 × 673 × 1009 × 1093 × 2269 × 2857 × 6481 × 16493 × 167329 × 368089 × 430697 × 647753 × 109688713 × 2108826721 |
| 85: | \[{9^{85}-1\over8}\] | 112 × 61 × 103 × 307 × 1021 × 1531 × 1871 × 34511 × 224401 × 2663568851051<13> × 862970652262943171<18> × 13271362257832586268931<23> |
| 86: | \[{9^{86}-1\over8}\] | 2 × 5 × 173 × 431 × 470593 × 2641485701 × 55473422113<11> × 903239908009<12> × 380808546861411923<18> × 82064241848634269407<20> |
| 87: | \[{9^{87}-1\over8}\] | 7 × 13 × 59 × 349 × 523 × 6091 × 28537 × 74821 × 142159 × 261697 × 1383301 × 5385997 × 20381027 × 32234893 × 37464463 × 150224123975857<15> |
| 88: | \[{9^{88}-1\over8}\] | 23 × 5 × 17 × 23 × 41 × 67 × 89 × 193 × 661 × 3851 × 5501 × 570461 × 2382953 × 6922081 × 56625998353<11> × 15656839738849<14> × 1363620137403810529<19> |
| 89: | \[{9^{89}-1\over8}\] | 179 × 264331 × 1125706177 × 1611479891519807<16> × 5042939439565996049162197<25> × 2444322641415331355533344283<28> |
| 90: | \[{9^{90}-1\over8}\] | 2 × 52 × 7 × 112 × 13 × 19 × 31 × 37 × 61 × 73 × 181 × 271 × 757 × 1181 × 1621 × 4561 × 176401 × 387631 × 530713 × 755551 × 927001 × 47763361 × 452808441334403281<18> |
| 91: | \[{9^{91}-1\over8}\] | 547 × 1093 × 8737 × 398581 × 595141 × 797161 × 4011586307 × 2354116499281<13> × 2452788561133<13> × 3745603812007166116831643<25> |
| 92: | \[{9^{92}-1\over8}\] | 22 × 5 × 41 × 47 × 1289 × 12553493 × 1001523179 × 23535794707<11> × 70601370627701<14> × 743170846305411756447828504941347481129<39> |
| 93: | \[{9^{93}-1\over8}\] | 7 × 13 × 373 × 683 × 1117 × 6883 × 102673 × 541447 × 3058399 × 4404047 × 22434744889<11> × 88239050462461<14> × 26273701844015319144827917<26> |
| 94: | \[{9^{94}-1\over8}\] | 2 × 5 × 1223 × 16921 × 21997 × 256057 × 5112661 × 96656723 × 563838649753<12> × 1534179947851<13> × 125384283132205265785477849439329<33> |
| 95: | \[{9^{95}-1\over8}\] | 112 × 61 × 191 × 1597 × 2851 × 39901 × 101917 × 363889 × 29574984661<11> × 25349956307509384561<20> × 78958087694609321439660131899631<32> |
| 96: | \[{9^{96}-1\over8}\] | 25 × 5 × 7 × 13 × 17 × 41 × 73 × 97 × 193 × 577 × 769 × 6481 × 7297 × 68737 × 76801 × 21523361 × 96948097 × 24127552321<11> × 70613232600577<14> × 926510094425921<15> |
| 97: | \[{9^{97}-1\over8}\] | 76631 × 459991849 × 503803759819<12> × 2549755542947<13> × 20591603926857377806745611<26> × 48845962828028421155731228333<29> |
| 98: | \[{9^{98}-1\over8}\] | 2 × 5 × 29 × 197 × 491 × 547 × 1093 × 4019 × 8233 × 16493 × 16661 × 51157 × 131713 × 251325313 × 857643277 × 127522693159<12> × 426712077457<12> × 34013149495921<14> |
| 99: | \[{9^{99}-1\over8}\] | 7 × 13 × 19 × 23 × 37 × 67 × 199 × 397 × 661 × 757 × 3851 × 4357 × 25411 × 176419 × 3186217 × 337448233 × 2413941289 × 378450588583<12> × 12812432238302009985937<23> |
Index range: 0 – 99 next >>