Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 123: | \[{9^{123}-1\over8}\] | 7 × 13 × 83 × 33703 × 51169 × 2337001 × 2526913 × 40049539 × 86950696619<11> × 130099576237<12> × 15606752580607<14> × 270547105429567<15> × 1999827817517387044561568810795329<34> |