91117: Quasi Repdigit 911..117

First few terms (base 10): \[[91^*7_{10}]_n=\{97,917,9117,91117,911117,\ldots\}\]

General Formula:\[[91^*7_{10}]_n={820\cdot10^{n}+53\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 911..117 on stdkmd.net

Table

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