Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 144: | \[{22^{144}-1\over21}\] | 32 × 5 × 132 × 17 × 19 × 23 × 37 × 73 × 97 × 127 × 157 × 241 × 463 × 1489 × 2017 × 2161 × 3209 × 18973 × 191353 × 286777 × 297613 × 940993 × 4732993 × 5966803 × 514642753 × 3227992561 × 18311943313<11> × 13278819202897<14> × 148587991152333066577<21> × 2112081624934238187268993<25> × 1354366555608287887189316751457<31> |