Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 455: | \[{27^{455}-1\over26}\] | 112 × 13 × 71 × 131 × 313 × 421 × 911 × 1093 × 2341 × 4561 × 6301 × 6553 × 7333 × 30577 × 368089 × 797161 × 1616161 × 3701101 × 39838501 × 2664097031 × 4011586307 × 26751945361<11> × 56827980301<11> × 386134706231<12> × 1636991658121<13> × 110133112994711<15> × 299206882452661<15> × 2148920356182437964673<22> × 3745603812007166116831643<25> × 2478098909059595945200318151<28> × 818411446263918344321557393321<30> × 6812412941375622618779314907881<31> × 98139929939748977208994554331725481<35> × 1435809872133506127696992748549282318301<40> × 307291131131299065538436123735369861252252196301817770811<57> × [3316088829681095823118298811417870417225580602852579643692466776373314691758323889108653928073866737571174648319027211029281589282854883912418295855084956174995017769604238811647642063074027480824664007368999650827114601<220>] |