74777: Near Repdigit 7477..77

First few terms (base 10): \[[747^*_{10}]_n=\{74,747,7477,74777,747777,\ldots\}\]

General Formula:\[[747^*_{10}]_n={673\cdot10^{n}-7\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 7477..77 on stdkmd.net

Table

No table data.