17779: Quasi Repdigit 177..779

First few terms (base 10): \[[17^*9_{10}]_n=\{19,179,1779,17779,177779,\ldots\}\]

General Formula:\[[17^*9_{10}]_n={160\cdot10^{n}+11\over9}\]

Equivalent Patterns: \[[53^*7_{10}]_n=3\cdot[17^*9_{10}]_n\] \[[35^*8_{10}]_n=2\cdot[17^*9_{10}]_n\] \[[71^*6_{10}]_n=4\cdot[17^*9_{10}]_n\]

See Also: Factorization of 177..779 on stdkmd.net

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