Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
99: | \[{22^{99}-1\over21}\] | 32 × 132 × 67 × 127 × 353 × 297613 × 121758187 × 443115289 × 1176469537 × 29217739123<11> × 1859337702393290857<19> × 5530862298437303257<19> × 14581373792385915415722541934840427059661811<44> |