33313: Near Repdigit 33..3313

First few terms (base 10): \[[3^*13_{10}]_n=\{13,313,3313,33313,333313,\ldots\}\]

General Formula:\[[3^*13_{10}]_n={100\cdot10^{n}-61\over3}\]

Equivalent Patterns: \[[9^*39_{10}]_n=3\cdot[3^*13_{10}]_n\] \[[6^*26_{10}]_n=2\cdot[3^*13_{10}]_n\]

See Also: Factorization of 33..3313 on stdkmd.net

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