87775: Quasi Repdigit 877..775

First few terms (base 10): \[[87^*5_{10}]_n=\{85,875,8775,87775,877775,\ldots\}\]

General Formula:\[[87^*5_{10}]_n=5\cdot{158\cdot10^{n}-5\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 877..775 on stdkmd.net

Table

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