tables > repunit > 21

Base 21 Repunits

Table

Viewing: 722 – 722 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 722: \[{21^{722}-1\over20}\] 2 × 11 × 609673 × 12061389013<11> × 10651802675323<14> × 54921106624003<14> × 541903581098020433<18> × 987749814642143197<18> × 112602834146291984041<21> × [38468313161704724935879766989080946469895964699917387822321189729352857170308499020923257224608913468646302042778494863012216581259502406221694568270953850621426096962216870362868050212631390215649800425710615694727459726671451350208075648091575597435169222545780309058835046195407636869430470158343161653358482102142379292232287864105388581241854193906439067522237833765801256657148447839893606298300595491992080438376189595590618768733517344721145457129266841449450487199059962583966893000575384722534128927180139017049041185158842770173976792516149459334772364809699274452488858445760343001496597107169548025128548253596589693165683950786520740760716112246066416240067556932933763487864883422534433421473356820328693802472359446229654168200400331158148617016587395990457779483864385800928665518480610215545532173100019676736274049912625442811506832441<854>]

Index range: 722 – 722 << prev next >>