Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 396: | \[{13^{396}-1\over12}\] | 22 × 32 × 5 × 7 × 17 × 19 × 23 × 37 × 61 × 67 × 157 × 199 × 271 × 331 × 397 × 419 × 859 × 937 × 1123 × 3169 × 5281 × 6997 × 18041 × 28393 × 122167 × 341749 × 428041 × 960961 × 1471069 × 1609669 × 37869877 × 262119133 × 626133421 × 128011456717<12> × 23057835113017<14> × 3577574298489429481<19> × 17551032119981679046729<23> × 416086662911383416679189<24> × 2192746830056885246381227<25> × 4961804056982481090385314988238018557<37> × 41843996884869069716887820744999931030682522443073<50> × 347299859478776311338097477919244904851212059113961352120826168124046135879874909279949372318039347757093352699859658340658817<126> |