tables > repunit > 21

Base 21 Repunits

Table

Viewing: 19 – 19 << prev next >>

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

19: \[{21^{19}-1\over20}\] 12061389013<11> × 54921106624003<14>

Index range: 19 – 19 << prev next >>