Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 198: | \[{13^{198}-1\over12}\] | 2 × 32 × 7 × 19 × 23 × 61 × 67 × 157 × 199 × 271 × 331 × 419 × 859 × 937 × 1123 × 3169 × 6997 × 18041 × 122167 × 960961 × 1609669 × 262119133 × 626133421 × 128011456717<12> × 17551032119981679046729<23> × 2192746830056885246381227<25> × 4961804056982481090385314988238018557<37> × 41843996884869069716887820744999931030682522443073<50> |