40001: Quasi Repdigit 400..001

First few terms (base 10): \[[40^*1_{10}]_n=\{41,401,4001,40001,400001,\ldots\}\]

General Formula:\[[40^*1_{10}]_n=40\cdot10^{n}+1\]

Equivalent Patterns: \[[80^*2_{10}]_n=2\cdot[40^*1_{10}]_n\] \[[20^*5_{10}]_n=5\cdot[40^*1_{10}]_{n-1}\]

See Also: Factorization of 400..001 on stdkmd.net

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