tables > repunit > 21

Base 21 Repunits

Table

Viewing: 24 – 24 << prev next >>

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

24: \[{21^{24}-1\over20}\] 23 × 11 × 13 × 17 × 61 × 73 × 421 × 463 × 3181 × 97241 × 518118697

Index range: 24 – 24 << prev next >>