68885: Quasi Repdigit 688..885

First few terms (base 10): \[[68^*5_{10}]_n=\{65,685,6885,68885,688885,\ldots\}\]

General Formula:\[[68^*5_{10}]_n=5\cdot{124\cdot10^{n}-7\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 688..885 on stdkmd.net

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