Compare 2661 vs 2665
| Property | 2661 | 2665 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 8871 | 51 × 131 × 411 |
| Prime factorization | 3 × 887 | 5 × 13 × 41 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 887, 2661 | 1, 5, 13, 41, 65, 205, 533, 2665 |
| Number of properties | 1 | 0 |
| Semiprimes | 758th | |
| Roman numberals | MMDCLXI | MMDCLXV |
| Base 2 | 1010011001012 | 1010011010012 |
| Base 3 | 101221203 | 101222013 |
| Base 4 | 2212114 | 2212214 |
| Base 5 | 411215 | 411305 |
| Base 6 | 201536 | 202016 |
| Base 7 | 105217 | 105257 |
| Base 8 | 51458 | 51518 |
| Base 9 | 35769 | 35819 |
| Base 10 | 266110 | 266510 |
| Base 11 | 1aaa11 | 200311 |
| Base 12 | 165912 | 166112 |
| Base 13 | 129913 | 12a013 |
| Base 14 | d8114 | d8514 |
| Base 15 | bc615 | bca15 |
| Base 16 | a6516 | a6916 |