Compare 81389 vs 81399
| Property | 81389 | 81399 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 72 × 111 × 1511 | 31 × 431 × 6311 |
| Prime factorization | 7 × 7 × 11 × 151 | 3 × 43 × 631 |
| Divisors count | 12 | 8 |
| Divisors | 1, 7, 11, 49, 77, 151, 539, 1057, 1661, 7399, 11627, 81389 | 1, 3, 43, 129, 631, 1893, 27133, 81399 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100111101111011012 | 100111101111101112 |
| Base 3 | 110101221023 | 110101222103 |
| Base 4 | 1033132314 | 1033133134 |
| Base 5 | 101010245 | 101010445 |
| Base 6 | 14244456 | 14245036 |
| Base 7 | 4562007 | 4562137 |
| Base 8 | 2367558 | 2367678 |
| Base 9 | 1335729 | 1335839 |
| Base 10 | 8138910 | 8139910 |
| Base 11 | 5617011 | 5617a11 |
| Base 12 | 3b12512 | 3b13312 |
| Base 13 | 2b07913 | 2b08613 |
| Base 14 | 2193714 | 2194314 |
| Base 15 | 191ae15 | 191b915 |
| Base 16 | 13ded16 | 13df716 |