tables > repunit > 21

Base 21 Repunits

Table

Viewing: 73 – 73 << prev next >>

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

73: \[{21^{73}-1\over20}\] 30661 × 5424905842809814580790135175148153005273370039115139875248165723989059011789226683837426053<91>

Index range: 73 – 73 << prev next >>