Compare 945 vs 949
| Property | 945 | 949 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 33 × 51 × 71 | 131 × 731 |
| Prime factorization | 3 × 3 × 3 × 5 × 7 | 13 × 73 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945 | 1, 13, 73, 949 |
| Number of properties | 0 | 1 |
| Semiprimes | 284th | |
| Roman numberals | CMXLV | CMXLIX |
| Base 2 | 11101100012 | 11101101012 |
| Base 3 | 10220003 | 10220113 |
| Base 4 | 323014 | 323114 |
| Base 5 | 122405 | 122445 |
| Base 6 | 42136 | 42216 |
| Base 7 | 25207 | 25247 |
| Base 8 | 16618 | 16658 |
| Base 9 | 12609 | 12649 |
| Base 10 | 94510 | 94910 |
| Base 11 | 78a11 | 79311 |
| Base 12 | 66912 | 67112 |
| Base 13 | 57913 | 58013 |
| Base 14 | 4b714 | 4bb14 |
| Base 15 | 43015 | 43415 |
| Base 16 | 3b116 | 3b516 |