tables > repunit > base9

Base 9 Repunits

Table

Viewing: 21 – 21 << prev next >>

(available: 0-999)

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

21: \[{9^{21}-1\over8}\] 72 × 13 × 43 × 547 × 1093 × 2269 × 368089

Index range: 21 – 21 << prev next >>