55552: Near Repdigit 55..552

First few terms (base 10): \[[5^*2_{10}]_n=\{2,52,552,5552,55552,\ldots\}\]

General Formula:\[[5^*2_{10}]_n=2\cdot{25\cdot10^{n}-16\over9}\]

Equivalent Patterns: \[[27^*6_{10}]_n=[5^*2_{10}]_{n+1}/2\]

See Also: Factorization of 55..552 on stdkmd.net

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