tables > repunit > 21

Base 21 Repunits

Table

Viewing: 52 – 52 << prev next >>

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

52: \[{21^{52}-1\over20}\] 22 × 11 × 132 × 17 × 53 × 79 × 32969 × 101089 × 189437 × 516094151 × 7021471715414521<16> × 23509884574335185209<20>

Index range: 52 – 52 << prev next >>