tables > repunit > 20

Base 20 Repunits

Table

Viewing: 507 – 507 << prev next >>

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

* 507: \[{20^{507}-1\over19}\] 79 × 421 × 1171 × 2029 × 3121 × 6761 × 10141 × 142559 × 9690539 × 468434955431<12> × 130493765978411584009<21> × 172311318287603732461390609<27> × 850012976074535982428711068634520331706078425231<48> × 1649038164632685578542992427628917483575645002582219763008899743201265215941328535950330500869484897694126830841465082771352855179129<133> × [63939447961417607553220089861851389941191364248455931639411830925547782716031477829050304687969634098186488443316567063516557542955340923509339144161736722616030301859334534002984678034938106890486552991227540410249126442021385478441039763876175017338321805401313228745236423138604474832984224343121847505451196296777911670355074663719023707862293170700299906036050298065307316498424889<386>]

Index range: 507 – 507 << prev next >>