Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
90: | \[{14^{90}-1\over13}\] | 33 × 52 × 11 × 19 × 31 × 61 × 71 × 101 × 181 × 211 × 397 × 811 × 1171 × 2851 × 3761 × 15511 × 18973 × 132049 × 302581 × 1948981 × 4020031 × 50099966224441291<17> × 799837378328194512391<21> |