tables > repunit > 21

Base 21 Repunits

Table

Viewing: 605 – 605 << prev next >>

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

* 605: \[{21^{605}-1\over20}\] 5 × 881 × 40841 × 5664205361<10> × 17513875027111<14> × 270573999780463721<18> × 25400947557093092161<20> × 54598616218616435702441<23> × 1094642996710826219735129227785915893367653427444929746456584017045151470091370769903278728324073277790247936858477306484443951<127> × [597708845382000592599488407903470592369445253707870617673304092823326708248591077679460935498550192064359055746573355601018190016687968731855551945795147943849159185752279338813133938062455591068382852396507153580819119521365637036922891698705917943029398769587061333585196750864219581011619255538273759260857512236249485281756685519111036499489052117329948455781063735281773158568536149268799348230350250895362978641539383376310340044425391933501966890927613089368034589624136923391058181802445995711219496045569812436449142477945822077343523755116382009745557470002311042116888401<582>]

Index range: 605 – 605 << prev next >>