tables > repunit > base4

Base 4 Repunits

Table

Viewing: 251 – 251 << prev next >>

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

251: \[{4^{251}-1\over3}\] 503 × 54217 × 238451 × 178230287214063289511<21> × 61676882198695257501367<23> × 12070396178249893039969681<26> × 5058345723951854688505665428846313806490903121677364358901199128608233<70>

Index range: 251 – 251 << prev next >>