tables > repunit > 21

Base 21 Repunits

Table

Viewing: 49 – 49 << prev next >>

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

49: \[{21^{49}-1\over20}\] 43 × 631 × 3319 × 7057 × 1606344741163<13> × 1767442850839<13> × 1703751007820049542146461103<28>

Index range: 49 – 49 << prev next >>