tables > repunit > 21

Base 21 Repunits

Table

Viewing: 641 – 641 << prev next >>

(available: 0-999)

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

* 641: \[{21^{641}-1\over20}\] 3847 × 600915548019389196443<21> × [754401079934489231252826757216313045517759138807994518999663882099741953079630252968907501143145082605914896933466096671360085639553999554088301115285885082280962349243269160914670516776159892927484649396306864956189301594307700309631116922585604824766797252841294481774861584643596494832974413471314173575481418480069802943417841223179398241552019602013705485023728305779466222010801314268331633775070606910715114572031713616262567960587915957646821428079819131305716800740931275100342917498218971027705366254320491160818225102428168064037765305666801928951113541396484433396592578877936522135353826637098610610484462170018913393550991129559731980835651103973844598647631488490314050090554274193930406043643978921947893724339567366397596351253556096280398396720814214571464812674958402335354034830157333715955567702678421<822>]

Index range: 641 – 641 << prev next >>