Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 196: | \[{22^{196}-1\over21}\] | 5 × 72 × 23 × 29 × 43 × 97 × 197 × 4481 × 51647 × 83273 × 86969 × 737353 × 16968421 × 34379269 × 1545133367 × 1987506739 × 1688788290841<13> × 58402513986319469<17> × 1800282046788105633722509<25> × 294211349582600267301405853<27> × 437808309816410813281858067481593<33> × 20934125628717874030514639631784975009<38> × 43581826653466361564956549087085590461211061<44> |