Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 420: | \[{17^{420}-1\over16}\] | 22 × 33 × 52 × 72 × 11 × 13 × 29 × 31 × 43 × 61 × 71 × 101 × 211 × 281 × 307 × 421 × 541 × 701 × 1093 × 1471 × 6091 × 13567 × 21881 × 63541 × 83233 × 88741 × 275521 × 704761 × 872761 × 966211 × 5766433 × 8208901 × 21998621 × 22796593 × 25646167 × 46896781 × 55356841 × 100688449 × 238212511 × 245614111 × 940143709 × 6566760001<10> × 88109799136087<14> × 1479639031521241<16> × 15030659834591591<17> × 559101878112808170001<21> × 6499769220666588864901<22> × 348838692130131428210021<24> × 311640640511791392291238477<27> × 512718953215732865581052501<27> × 42499815063229298451210188341<29> × 67096559666323873912471273981<29> × 1179552870542516698915727867308021<34> × 24094145862421821291974737132082163395061384219157046268378187776434416390801<77> |