tables > repunit > 21

Base 21 Repunits

Table

Viewing: 26 – 26 << prev next >>

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

26: \[{21^{26}-1\over20}\] 2 × 11 × 79 × 189437 × 516094151 × 7021471715414521<16>

Index range: 26 – 26 << prev next >>