64447: Quasi Repdigit 644..447

First few terms (base 10): \[[64^*7_{10}]_n=\{67,647,6447,64447,644447,\ldots\}\]

General Formula:\[[64^*7_{10}]_n={580\cdot10^{n}+23\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 644..447 on stdkmd.net

Table

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