tables > repunit > base4

Base 4 Repunits

Table

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

256: \[{4^{256}-1\over3}\] 5 × 17 × 257 × 641 × 65537 × 274177 × 6700417 × 67280421310721<14> × 1238926361552897<16> × 59649589127497217<17> × 5704689200685129054721<22> × 93461639715357977769163558199606896584051237541638188580280321<62>

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