69994: Quasi Repdigit 699..994

First few terms (base 10): \[[69^*4_{10}]_n=\{64,694,6994,69994,699994,\ldots\}\]

General Formula:\[[69^*4_{10}]_n=2\cdot\left(35\cdot10^{n}-3\right)\]

Equivalent Patterns: (none)

See Also: Factorization of 699..994 on stdkmd.net

Table

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