tables > repunit > 20

Base 20 Repunits

Table

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

* 223: \[{20^{223}-1\over19}\] 118654435710461096512447010440055149<36> × [59793152819481179047862708901400674770520141511575715540195164912044307540462397724393292302244141268132808455663616353165927117061188541258151351700671082785275710044737168255354442409823857205802467894859223703138768854233711158493929431953372106115929<254>]

Index range: 223 – 223 << prev next >>