tables > repunit > 21

Base 21 Repunits

Table

Viewing: 469 – 469 << prev next >>

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

* 469: \[{21^{469}-1\over20}\] 43 × 269 × 631 × 3319 × 873775141 × 324363426169571<15> × 312929837239650768379490219650039<33> × 71028332352256443443129296219339913167<38> × [43276460256361523745275642832297360568447167652662586242426079420221434027148473109526700349246796090261951677102430730247539809892922949371616740707254434758181780853143965060266700893752820085165449719550481073194250264396348647797445145517390508411610610765966355978063670150981879715461919211300846803899183491169966030557413445092823581014311595262642640203614856457572391643101651698870311379992198574807093866087577824084428790636400705615602321080729285311819999179824143789685790850418287372595675352757621<515>]

Index range: 469 – 469 << prev next >>