Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 450: | \[{13^{450}-1\over12}\] | 2 × 32 × 7 × 11 × 19 × 31 × 61 × 101 × 151 × 157 × 181 × 271 × 701 × 937 × 1951 × 2251 × 2411 × 4651 × 9851 × 11551 × 12601 × 30941 × 57751 × 161971 × 1609669 × 2113801 × 28325071 × 1711042515451<13> × 966623849742301<15> × 2752135920929651<16> × 3258254426373251<16> × 101348453341211701<18> × 19145097390154976011<20> × 2997534286720771645924621<25> × 185129510660424877123166434146327362331151<42> × 68908867770552593063187730578864385270746601<44> × 1179081221399801571464824396038876335436197898327372128674278451<64> × 39963043354857305887976904146228166170967157338250784289841496985515851<71> × 399637618032860624803042611898600605680096732527640012008469469655061307261451<78> |