tables > repunit > 21

Base 21 Repunits

Table

Viewing: 18 – 18 << prev next >>

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

18: 2118−120 2 × 11 × 19 × 37 × 199 × 421 × 463 × 613 × 85775383

Index range: 18 – 18 << prev next >>