tables > repunit > 21

Base 21 Repunits

Table

Viewing: 223 – 223 << prev next >>

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

* 223: \[{21^{223}-1\over20}\] 439472991593<12> × [814592748958819356344591724373543292442727247550497814781618262903792882669179137389769415866259895700034509247878182142881971002594401102163021580082240023568184733015547058897660486481058511599481373675930943012957029969481515967265493616188919280058758389354275669152497848305131<282>]

Index range: 223 – 223 << prev next >>