Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 500: | \[{27^{500}-1\over26}\] | 23 × 54 × 7 × 112 × 31 × 61 × 73 × 101 × 151 × 251 × 271 × 601 × 751 × 1181 × 1201 × 2251 × 2551 × 3001 × 4561 × 8501 × 8951 × 9001 × 9601 × 26251 × 55201 × 100501 × 119101 × 391151 × 394201 × 1530601 × 11055001 × 19315501 × 22996651 × 47763361 × 358291751 × 396984751 × 1328097751 × 9490983001<10> × 14781691751<11> × 21064949251<11> × 61070817601<11> × 104194346251<12> × 391632555001<12> × 2098303812601<13> × 124254307278001<15> × 989947158849251<15> × 645063298350892992751<21> × 24529814236452601631905501<26> × 2229552891865882714320177992401<31> × 48724437074406251254164683458269001<35> × 2278135721427929786778229917312351656251<40> × 8788416011598893375808561717543001280896024501<46> × 3101836296928589193693596667339803928446660439001<49> × 30223192498512325206613383396600474864850656739501<50> × 16758435627223658802353128980509765910556138571016687543698189838663420001<74> × 494282734264453734837010600360756824124572973262503221472801347816485913508464077289001<87> |