tables > repunit > 21

Base 21 Repunits

Table

Viewing: 76 – 76 << prev next >>

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

76: \[{21^{76}-1\over20}\] 22 × 11 × 13 × 17 × 229 × 457 × 609673 × 12061389013<11> × 54921106624003<14> × 987749814642143197<18> × 3794540985952206860593938878074866571399837<43>

Index range: 76 – 76 << prev next >>