19991: Plateau 199..991

First few terms (base 10): \[[19^*1_{10}]_n=\{11,191,1991,19991,199991,\ldots\}\]

General Formula:\[[19^*1_{10}]_n=20\cdot10^{n}-9\]

Equivalent Patterns: (none)

See Also: Factorization of 199..991 on stdkmd.net

Table

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