tables > repunit > base5

Base 5 Repunits

Table

Viewing: 21 – 21 << prev next >>

(available: 0-999)

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

21: \[{5^{21}-1\over4}\] 31 × 379 × 19531 × 519499

Index range: 21 – 21 << prev next >>