Compare 11991 vs 11993
| Property | 11991 | 11993 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 71 × 5711 | 671 × 1791 |
| Prime factorization | 3 × 7 × 571 | 67 × 179 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 7, 21, 571, 1713, 3997, 11991 | 1, 67, 179, 11993 |
| Number of properties | 0 | 1 |
| Semiprimes | 3129th | |
| Roman numberals | ||
| Base 2 | 101110110101112 | 101110110110012 |
| Base 3 | 1211100103 | 1211100123 |
| Base 4 | 23231134 | 23231214 |
| Base 5 | 3404315 | 3404335 |
| Base 6 | 1313036 | 1313056 |
| Base 7 | 466507 | 466527 |
| Base 8 | 273278 | 273318 |
| Base 9 | 174039 | 174059 |
| Base 10 | 1199110 | 1199310 |
| Base 11 | 901111 | 901311 |
| Base 12 | 6b3312 | 6b3512 |
| Base 13 | 55c513 | 55c713 |
| Base 14 | 452714 | 452914 |
| Base 15 | 384615 | 384815 |
| Base 16 | 2ed716 | 2ed916 |