tables > repunit > 21

Base 21 Repunits

Table

Viewing: 127 – 127 << prev next >>

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

127: \[{21^{127}-1\over20}\] 509 × 85853 × 123564234215209<15> × 526073566316093<15> × 21045416332383383<17> × 6619201108364006378440292620708869500505245589624095987<55> × 105546738449008968050440888723415799976700232611051102641043<60>

Index range: 127 – 127 << prev next >>