69998: Quasi Repdigit 699..998

First few terms (base 10): \[[69^*8_{10}]_n=\{68,698,6998,69998,699998,\ldots\}\]

General Formula:\[[69^*8_{10}]_n=2\cdot\left(35\cdot10^{n}-1\right)\]

Equivalent Patterns: (none)

See Also: Factorization of 699..998 on stdkmd.net

Table

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