21118: Quasi Repdigit 211..118

First few terms (base 10): \[[21^*8_{10}]_n=\{28,218,2118,21118,211118,\ldots\}\]

General Formula:\[[21^*8_{10}]_n=2\cdot{95\cdot10^{n}+31\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 211..118 on stdkmd.net

Table

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