Compare 1545 vs 1555
| Property | 1545 | 1555 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 51 × 1031 | 51 × 3111 |
| Prime factorization | 3 × 5 × 103 | 5 × 311 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 5, 15, 103, 309, 515, 1545 | 1, 5, 311, 1555 |
| Number of properties | 0 | 1 |
| Semiprimes | 452nd | |
| Roman numberals | MDXLV | MDLV |
| Base 2 | 110000010012 | 110000100112 |
| Base 3 | 20100203 | 20101213 |
| Base 4 | 1200214 | 1201034 |
| Base 5 | 221405 | 222105 |
| Base 6 | 110536 | 111116 |
| Base 7 | 43357 | 43517 |
| Base 8 | 30118 | 30238 |
| Base 9 | 21069 | 21179 |
| Base 10 | 154510 | 155510 |
| Base 11 | 118511 | 119411 |
| Base 12 | a8912 | a9712 |
| Base 13 | 91b13 | 92813 |
| Base 14 | 7c514 | 7d114 |
| Base 15 | 6d015 | 6da15 |
| Base 16 | 60916 | 61316 |