Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 209: | \[{13^{209}-1\over12}\] | 23 × 419 × 859 × 18041 × 12865927 × 50792017 × 864962803 × 50273133791<11> × 9468940004449<13> × 176955324821689770178527889407914367691586187989475685334599<60> × 763921660838676689184508072514864573786544337519630543447642100273039693342066479490045862392184664030804676149211<114> |