Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 350: | \[{18^{350}-1\over17}\] | 11 × 19 × 41 × 71 × 211 × 449 × 2711 × 9041 × 11551 × 80207 × 117251 × 602401 × 738851 × 3052211 × 4179001 × 4274201 × 7548451 × 17955001 × 32222107 × 1006771151 × 2444675801 × 4476462481<10> × 23484480749801<14> × 17254127651933924651<20> × 21162386787273369601<20> × 4164889456901862302881<22> × 142822063586538248694069751<27> × 3481006881736240218478809001<28> × 581592082203072152538700016757937201<36> × 272478327743957841304325898917643398881215044960251<51> × 2584370247496860154290248241584011972073735874496310270143807938005181117556112664026633914278733903587304242551<112> |