Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 420: | \[{12^{420}-1\over11}\] | 52 × 72 × 13 × 19 × 29 × 31 × 43 × 61 × 71 × 157 × 211 × 421 × 491 × 659 × 661 × 673 × 1471 × 2521 × 4943 × 9781 × 13063 × 17011 × 19141 × 20593 × 22621 × 35671 × 76441 × 126001 × 641761 × 806821 × 1885339 × 6089651 × 71874601 × 85403261 × 425455031 × 9562853581<10> × 10365509281<11> × 13156924369<11> × 8177824843189<13> × 1612092376073761<16> × 133835330443229101<18> × 186168115009253521<18> × 5298455664688950121<19> × 46199145931519207045842151<26> × 80048881834094656438235281<26> × 86121235964912696227980301<26> × 2268301966722094170973637436845641<34> × 518881152592307261173312233952507217562564388079096801662163716352566360057328054079439875036713881<99> |