87774: Quasi Repdigit 877..774

First few terms (base 10): \[[87^*4_{10}]_n=\{84,874,8774,87774,877774,\ldots\}\]

General Formula:\[[87^*4_{10}]_n=2\cdot{395\cdot10^{n}-17\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 877..774 on stdkmd.net

Table

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