tables > repunit > 21

Base 21 Repunits

Table

Viewing: 20 – 20 << prev next >>

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

20: \[{21^{20}-1\over20}\] 22 × 5 × 11 × 13 × 17 × 41 × 40841 × 185641 × 920421641

Index range: 20 – 20 << prev next >>