77757: Near Repdigit 77..7757

First few terms (base 10): \[[7^*57_{10}]_n=\{57,757,7757,77757,777757,\ldots\}\]

General Formula:\[[7^*57_{10}]_n={700\cdot10^{n}-187\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 77..7757 on stdkmd.net

Table

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