55559: Near Repdigit 55..559

First few terms (base 10): \[[5^*9_{10}]_n=\{9,59,559,5559,55559,\ldots\}\]

General Formula:\[[5^*9_{10}]_n={50\cdot10^{n}+31\over9}\]

Equivalent Patterns: \[[1^*8_{10}]_n=2\cdot[5^*9_{10}]_{n-1}\]

See Also: Factorization of 55..559 on stdkmd.net

Table

No table data.