Compare 51981 vs 51987
| Property | 51981 | 51987 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 173271 | 31 × 131 × 311 × 431 |
| Prime factorization | 3 × 17327 | 3 × 13 × 31 × 43 |
| Divisors count | 4 | 16 |
| Divisors | 1, 3, 17327, 51981 | 1, 3, 13, 31, 39, 43, 93, 129, 403, 559, 1209, 1333, 1677, 3999, 17329, 51987 |
| Number of properties | 1 | 0 |
| Semiprimes | 12557th | |
| Roman numberals | ||
| Base 2 | 11001011000011012 | 11001011000100112 |
| Base 3 | 21220220203 | 21220221103 |
| Base 4 | 302300314 | 302301034 |
| Base 5 | 31304115 | 31304225 |
| Base 6 | 10403536 | 10404036 |
| Base 7 | 3043567 | 3043657 |
| Base 8 | 1454158 | 1454238 |
| Base 9 | 782669 | 782739 |
| Base 10 | 5198110 | 5198710 |
| Base 11 | 3606611 | 3607111 |
| Base 12 | 260b912 | 2610312 |
| Base 13 | 1a87713 | 1a88013 |
| Base 14 | 14d2d14 | 14d3514 |
| Base 15 | 1060615 | 1060c15 |
| Base 16 | cb0d16 | cb1316 |