98999: Near Repdigit 9899..99

First few terms (base 10): \[[989^*_{10}]_n=\{98,989,9899,98999,989999,\ldots\}\]

General Formula:\[[989^*_{10}]_n=99\cdot10^{n}-1\]

Equivalent Patterns: (none)

See Also: Factorization of 9899..99 on stdkmd.net

Table

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