67774: Quasi Repdigit 677..774

First few terms (base 10): \[[67^*4_{10}]_n=\{64,674,6774,67774,677774,\ldots\}\]

General Formula:\[[67^*4_{10}]_n=2\cdot{305\cdot10^{n}-17\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 677..774 on stdkmd.net

Table

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