78777: Near Repdigit 7877..77

First few terms (base 10): \[[787^*_{10}]_n=\{78,787,7877,78777,787777,\ldots\}\]

General Formula:\[[787^*_{10}]_n={709\cdot10^{n}-7\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 7877..77 on stdkmd.net

Table

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