47778: Quasi Repdigit 477..778

First few terms (base 10): \[[47^*8_{10}]_n=\{48,478,4778,47778,477778,\ldots\}\]

General Formula:\[[47^*8_{10}]_n=2\cdot{215\cdot10^{n}+1\over9}\]

Equivalent Patterns: \[[95^*6_{10}]_n=2\cdot[47^*8_{10}]_n\]

See Also: Factorization of 477..778 on stdkmd.net

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