Compare 81389 vs 81397
| Property | 81389 | 81397 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 72 × 111 × 1511 | 231 × 35391 |
| Prime factorization | 7 × 7 × 11 × 151 | 23 × 3539 |
| Divisors count | 12 | 4 |
| Divisors | 1, 7, 11, 49, 77, 151, 539, 1057, 1661, 7399, 11627, 81389 | 1, 23, 3539, 81397 |
| Number of properties | 0 | 1 |
| Semiprimes | 19225th | |
| Roman numberals | ||
| Base 2 | 100111101111011012 | 100111101111101012 |
| Base 3 | 110101221023 | 110101222013 |
| Base 4 | 1033132314 | 1033133114 |
| Base 5 | 101010245 | 101010425 |
| Base 6 | 14244456 | 14245016 |
| Base 7 | 4562007 | 4562117 |
| Base 8 | 2367558 | 2367658 |
| Base 9 | 1335729 | 1335819 |
| Base 10 | 8138910 | 8139710 |
| Base 11 | 5617011 | 5617811 |
| Base 12 | 3b12512 | 3b13112 |
| Base 13 | 2b07913 | 2b08413 |
| Base 14 | 2193714 | 2194114 |
| Base 15 | 191ae15 | 191b715 |
| Base 16 | 13ded16 | 13df516 |