Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 228: | \[{12^{228}-1\over11}\] | 5 × 7 × 13 × 192 × 29 × 157 × 229 × 457 × 3307 × 8209 × 20593 × 62701 × 114001 × 129733 × 1977673 × 905265296671<12> × 3178598581687<13> × 20526705689989<14> × 176477034940417<15> × 2141456811167917<16> × 884986147755302617<18> × 2016864235215616489<19> × 29043636306420266077<20> × 19739195005084795112797936193449<32> × 56080185636395536385812131313731527112339937<44> |