Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 428: | \[{27^{428}-1\over26}\] | 23 × 5 × 7 × 73 × 643 × 3853 × 6421 × 12841 × 50077 × 100153 × 229837 × 249097 × 582937 × 731881 × 2021017 × 2827369 × 2428745707 × 3096650621 × 6961772887<10> × 121796293627<12> × 1276775957917<13> × 64343166735091<14> × 481786776662041<15> × 499965737866229<15> × 8459752648176649<16> × 48965028505045123993421250406516036571557<41> × 161902816442869803284454722064488502231637<42> × 4375617272295428356111030724847180250451293<43> × 103337289962616844319854516999125111744200944279921<51> × 3093775405140043883292950219372796456737513003762298030441588628306854600509966509<82> × 4673006416283675184544186944858080999922321853171955338197824625826722839467615879429146322900997862943469861382071176710589313967308700223948611986883692796995862922342476871612129<181> |