50009: Quasi Repdigit 500..009
First few terms (base 10): \[[50^*9_{10}]_n=\{59,509,5009,50009,500009,\ldots\}\]
General Formula:\[[50^*9_{10}]_n=50\cdot10^{n}+9\]
Equivalent Patterns: (none)
See Also: Factorization of 500..009 on stdkmd.net
Table
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