Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 720: | \[{27^{720}-1\over26}\] | 25 × 52 × 7 × 112 × 17 × 19 × 31 × 37 × 41 × 61 × 73 × 97 × 109 × 181 × 193 × 241 × 271 × 433 × 541 × 577 × 757 × 769 × 1181 × 1621 × 2161 × 3511 × 4561 × 4591 × 4801 × 6481 × 8209 × 8641 × 13921 × 14401 × 15121 × 19441 × 19927 × 154081 × 176401 × 298801 × 387631 × 411841 × 451441 × 487891 × 530713 × 755551 × 927001 × 1155169 × 1434241 × 10512289 × 16569793 × 26050081 × 42521761 × 47763361 × 53825041 × 73321201 × 86548771 × 116809201 × 150612481 × 1418632417 × 128653413121<12> × 282429005041<12> × 2081711451601<13> × 3958044610033<13> × 56227703611393<14> × 150094634909578633<18> × 452808441334403281<18> × 235234345635395687521<21> × 51383579021948491809121<23> × 63928696714293737465281<23> × 773618132427345151923061<24> × 26166382506293070985608961<26> × 12923652922958039615062631765281<32> × 14325143676754029471787455941687663883841<41> × 9979444961038929089178641288987215705921402373894124037921<58> × 439354575872807875488135640535450946467869814072650387452813889<63> × 257585468675898880408851562880046717579625276845981408510265574898901271513376930835308279479583479236252612316090304166682561796143196481<138> × 414258371862343708038327575610018060479441615645936785039644231036867542368252916517849907827387874987084481478556803251678230061824898953862357006014515475133362695184734838592265679174445036314047819029398732234038004431648751322401<234> |