tables > repunit > base8

Base 8 Repunits

Table

Viewing: 21 – 21 << prev next >>

(available: 0-999)

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

21: \[{8^{21}-1\over7}\] 7 × 73 × 127 × 337 × 92737 × 649657

Index range: 21 – 21 << prev next >>