tables > nrr > 10 > 2 > 21117

21117: Quasi Repdigit 211..117

First few terms (base 10): \[[21^*7_{10}]_n=\{27,217,2117,21117,211117,\ldots\}\]

General Formula:\[[21^*7_{10}]_n={190\cdot10^{n}+53\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 211..117 on stdkmd.net

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