tables > repunit > 21

Base 21 Repunits

Table

Viewing: 878 – 878 << prev next >>

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

* 878: \[{21^{878}-1\over20}\] 2 × 11 × 1207190297 × 2094499010041<13> × 2496713048590766890333<22> × [272139512246532715075804489835045822417144609613934918702876555170252421808854152452852878397443704761750147562010307367654165535336965002219514999773971517895131608890342795074017375168335902727649087365221911446466340246977837373723149654039418060939630224475721866185102383301879974308133546942358752015612468865262099566406485955501796406479119338974997234743910688176659437115837109076298746414614787229160446306626442016904038101799947305205830400739440854504521865304616001250451179177247466790835475763619558479525335975253894748216390303<546>] × [1071696892185535473690947984463514063428135016659542873079646811720298242549104611851142833094949197660877979205859663428152966551112777185909797394399926911660198753270697031289142388381253544882543507468863196426286673727620266408535451884716906536088919077209925927461945914320281641456176564081212288319741202065491662431429133005167215978887158701650773766958316010638113030945490619921432747690083453986178246913301288090659890300399165440785322227472723172461836093302221708609362438151440792024979604861048888674406695358648250305275351328940435171124900460640373<571>]

Index range: 878 – 878 << prev next >>