tables > repunit > 20

Base 20 Repunits

Table

Viewing: 813 – 813 << prev next >>

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

* 813: \[{20^{813}-1\over19}\] 421 × 195121 × 252086911 × 11349215275819<14> × 740958963395891<15> × 137848069582082921<18> × 4015208463415595125549<22> × [24955614489229346795265329554975647570141107210854433260146269146732165299971525860493750950709793803575469760329148542098800440003004307912554215190497644384605173529048153504411590390862184277383382080166503786855492337296542654235800414954688113190932745714734137670832414617393135149249659<293>] × [1195251847144294692151591442385783945619354977633795556110692028914552760840237786781115299051251717088167566505582471081350973070432792575580594456906504344896602478862764086313394143066705380128195897354045773818382979071099819010198615226682722598837487352604772507051887902414149807100824492447195230042892630178942647567045132712252179838222713879631525223068914959780455914772585543173642191016950261584133848742934898877613757154959871805168248602223017447027058813419772982967251179049056948774452916671069139680305085824409208170096461435967805039341435701750975894014091874544560686693775030866994063218006127215919275354623584525504026404331029188851292271130279007078009<682>]

Index range: 813 – 813 << prev next >>