Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 230: | \[{22^{230}-1\over21}\] | 232 × 47 × 461 × 1381 × 1933 × 4463 × 18401 × 224071 × 245411 × 376511 × 442951021 × 1323064018651<13> × 60575166785239<14> × 1788163062112321<16> × 245494445849562491<18> × 3170271630553605421<19> × 16036667309672180955035594098321163793158470912871<50> × 5311943997344007626901338674168956788010724130531434411<55> × 124350515887880320900762098234276778230536383438150095797506458748789662769037111<81> |