tables > repunit > 20

Base 20 Repunits

Table

Viewing: 491 – 491 << prev next >>

(available: 0-999)

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

* 491: \[{20^{491}-1\over19}\] [33649163321300800472997426982191603127226994716725583773471333964804006953173052578980983679337008194396450289140214545736197127322012675301485686568421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421<638>]

Index range: 491 – 491 << prev next >>