88887: Near Repdigit 88..887

First few terms (base 10): \[[8^*7_{10}]_n=\{7,87,887,8887,88887,\ldots\}\]

General Formula:\[[8^*7_{10}]_n={80\cdot10^{n}-17\over9}\]

Equivalent Patterns: \[[26^*1_{10}]_n=3\cdot[8^*7_{10}]_n\] \[[17^*4_{10}]_n=2\cdot[8^*7_{10}]_n\]

See Also: Factorization of 88..887 on stdkmd.net

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