10004: Quasi Repdigit 100..004

First few terms (base 10): \[[10^*4_{10}]_n=\{14,104,1004,10004,100004,\ldots\}\]

General Formula:\[[10^*4_{10}]_n=2\cdot\left(5\cdot10^{n}+2\right)\]

Equivalent Patterns: \[[50^*2_{10}]_n=[10^*4_{10}]_{n+1}/2\] \[[20^*8_{10}]_n=2\cdot[10^*4_{10}]_n\]

See Also: Factorization of 100..004 on stdkmd.net

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