tables > repunit > 20

Base 20 Repunits

Table

Viewing: 31 – 31 << prev next >>

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

31: \[{20^{31}-1\over19}\] 311 × 11161 × 1646101 × 340037881769<12> × 581740080393079<15>

Index range: 31 – 31 << prev next >>