Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[{18^{165}-1\over17}\] | 73 × 23 × 31 × 41 × 199 × 601 × 2311 × 2711 × 16127 × 51217 × 558721 × 50790191 × 25158058915441<14> × 125500908706801<15> × 180281596523246195671<21> × 12042065697120681040605799<26> × 24079647987394646183428194161<29> × 430892998397907888091194741841<30> × 6190865663281639524678619528967191<34> |