99919: Near Repdigit 99..9919

First few terms (base 10): \[[9^*19_{10}]_n=\{19,919,9919,99919,999919,\ldots\}\]

General Formula:\[[9^*19_{10}]_n=100\cdot10^{n}-81\]

Equivalent Patterns: (none)

See Also: Factorization of 99..9919 on stdkmd.net

Table

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