22227: Near Repdigit 22..227

First few terms (base 10): \[[2^*7_{10}]_n=\{7,27,227,2227,22227,\ldots\}\]

General Formula:\[[2^*7_{10}]_n={20\cdot10^{n}+43\over9}\]

Equivalent Patterns: \[[4^*54_{10}]_n=2\cdot[2^*7_{10}]_{n+1}\]

See Also: Factorization of 22..227 on stdkmd.net

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