77727: Near Repdigit 77..7727

First few terms (base 10): \[[7^*27_{10}]_n=\{27,727,7727,77727,777727,\ldots\}\]

General Formula:\[[7^*27_{10}]_n={700\cdot10^{n}-457\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 77..7727 on stdkmd.net

Table

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