tables > repunit > 21

Base 21 Repunits

Table

Viewing: 48 – 48 << prev next >>

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

48: \[{21^{48}-1\over20}\] 24 × 11 × 13 × 17 × 61 × 73 × 193 × 421 × 433 × 463 × 673 × 3181 × 62897 × 97241 × 300673 × 1001713 × 25392481 × 518118697

Index range: 48 – 48 << prev next >>