tables > repunit > 21

Base 21 Repunits

Table

Viewing: 9 – 9 << prev next >>

(available: 0-999)

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

9: \[{21^{9}-1\over20}\] 463 × 85775383

Index range: 9 – 9 << prev next >>