tables > repunit > base7

Base 7 Repunits

Table

Viewing: 20 – 20 << prev next >>

(available: 0-999)

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

20: \[{7^{20}-1\over6}\] 24 × 53 × 11 × 191 × 281 × 2801 × 4021

Index range: 20 – 20 << prev next >>