Compare 87139 vs 87157
| Property | 87139 | 87157 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 67031 | 71 × 124511 |
| Prime factorization | 13 × 6703 | 7 × 12451 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 6703, 87139 | 1, 7, 12451, 87157 |
| Number of properties | 1 | 1 |
| Semiprimes | 20524th | 20528th |
| Roman numberals | ||
| Base 2 | 101010100011000112 | 101010100011101012 |
| Base 3 | 111021121013 | 111021200013 |
| Base 4 | 1111012034 | 1111013114 |
| Base 5 | 102420245 | 102421125 |
| Base 6 | 15112316 | 15113016 |
| Base 7 | 5120237 | 5120507 |
| Base 8 | 2521438 | 2521658 |
| Base 9 | 1424719 | 1425019 |
| Base 10 | 8713910 | 8715710 |
| Base 11 | 5a51811 | 5a53411 |
| Base 12 | 4251712 | 4253112 |
| Base 13 | 3088013 | 3089513 |
| Base 14 | 23a8314 | 23a9714 |
| Base 15 | 1ac4415 | 1ac5715 |
| Base 16 | 1546316 | 1547516 |