Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 230: | \[{17^{230}-1\over16}\] | 2 × 32 × 11 × 47 × 71 × 101 × 461 × 88741 × 3267611 × 17323350221<11> × 335430126425379392951<21> × 1070187968644717154676571<25> × 26552618219228090162977481<26> × 1109309383381084655697725873<28> × 4990158249781591112023434661584357366578306705698456598155502981<64> × 77226294860139334172765129307966664395121437153062933574772365766319085952360455844845851<89> |