77787: Near Repdigit 77..7787

First few terms (base 10): \[[7^*87_{10}]_n=\{87,787,7787,77787,777787,\ldots\}\]

General Formula:\[[7^*87_{10}]_n={700\cdot10^{n}+83\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 77..7787 on stdkmd.net

Table

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