Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 216: | \[{17^{216}-1\over16}\] | 23 × 35 × 5 × 7 × 13 × 19 × 29 × 37 × 73 × 109 × 163 × 181 × 307 × 433 × 1321 × 1423 × 2089 × 2377 × 5653 × 24733 × 41761 × 72337 × 83233 × 382069 × 1270657 × 1941733 × 119196361 × 861553369 × 39902245921<11> × 28639368230833<14> × 81027679430161<14> × 1313154695584063<16> × 2694099538998937<16> × 11852519531110417<17> × 2962730389164271669<19> × 28758863909916435817<20> × 632387274220574643131035539401612270927218718089<48> |