Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 180: | \[{17^{180}-1\over16}\] | 22 × 34 × 52 × 7 × 11 × 13 × 19 × 29 × 31 × 37 × 61 × 71 × 101 × 109 × 181 × 307 × 541 × 1423 × 1801 × 2089 × 3691 × 5653 × 21881 × 33931 × 63541 × 83233 × 88741 × 111781 × 316531 × 382069 × 620461 × 1270657 × 1674271 × 5491081 × 238212511 × 2220161311 × 5113320301<10> × 6566760001<10> × 184665652921<12> × 1479639031521241<16> × 152924817473166888991<21> × 909720698865858594937498681<27> |