20009: Quasi Repdigit 200..009

First few terms (base 10): \[[20^*9_{10}]_n=\{29,209,2009,20009,200009,\ldots\}\]

General Formula:\[[20^*9_{10}]_n=20\cdot10^{n}+9\]

Equivalent Patterns: (none)

See Also: Factorization of 200..009 on stdkmd.net

Table

No table data.