tables > repunit > 21

Base 21 Repunits

Table

Viewing: 664 – 664 << prev next >>

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

* 664: \[{21^{664}-1\over20}\] 23 × 11 × 13 × 17 × 167 × 4649 × 97241 × 285521 × 756131 × 941221 × 12238406877577<14> × 42445621972729<14> × 75846992166339913697<20> × 340541835197467124476215159811<30> × 59923443964076110556880753544175063<35> × 123598028795681525040744945941933185295442497<45> × 3933559749025343559773608835330553217577713594590920220509<58> × 2427465956748257333131174900008044102730428020614957536644912694343433239673<76> × 729527650594150495343539759329914839668448111479888558580722475314778092897956636213<84> × 23343519976297040387448341592997138604460338237413223529466429945751726176986579124533941307079<95> × [932035995223668882257690013625097822622972452584117723804859523053358324330659839794264607201198214677714588604931625441753795312481604382417553797221681028527409154783098804307850663149607142390418945191579543012130248834058173035214549712830529707129492302543647751830020532412253037817230207496585033913597318021175215507603837109681010630410870305239860004565352114663721689<378>]

Index range: 664 – 664 << prev next >>