tables > repunit > 20

Base 20 Repunits

Table

Viewing: 87 – 87 << prev next >>

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

87: \[{20^{87}-1\over19}\] 59 × 349 × 421 × 929 × 8179 × 10789 × 143609 × 564979 × 1177459 × 466307299 × 71353204641689<14> × 3605403851353821123741083595382953185544609831777342451<55>

Index range: 87 – 87 << prev next >>