Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
60: | \[{9^{60}-1\over8}\] | 22 × 52 × 7 × 112 × 13 × 31 × 41 × 61 × 73 × 241 × 271 × 1181 × 4561 × 6481 × 298801 × 26050081 × 42521761 × 47763361 |