tables > repunit > 21

Base 21 Repunits

Table

Viewing: 809 – 809 << prev next >>

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

* 809: \[{21^{809}-1\over20}\] 438479 × 26497107610453<14> × 1977885482740961<16> × 29006888309360771<17> × [3552465675574321711827484467575960115364473727275355212728391158580615995856636005340655103598466892423263906224033008176634486071819338385019494408138729273469715484063464789020742229355184638673379839305692244239161806696975649118628948742795818862143724401240434875231393616992727960332179944762913339853067595225876430476233610269442517803290904273861399403916859572710546317556773765032942827922073617559608411057402683280057701798643097268504580177806673056250550955815936586989789669402388219265879806868210177099317117365036967188703706122771280305510673894406010323025487877618022214074299231351678277255385358041751074254867033736534077739731493921002009744410023880781200668832737155912502125541995636226157584105392137915819016469810780727349517620070589383442087627103580220020862903149045080777096787711398122601690187158487164494384582516697183028297762191625620558087954493756759536804032895330612345669037469057301009794142929270404734967660015535841913047213249548195955380725260370000131402571406057<1018>]

Index range: 809 – 809 << prev next >>