Compare 1555 vs 1564
| Property | 1555 | 1564 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 3111 | 22 × 171 × 231 |
| Prime factorization | 5 × 311 | 2 × 2 × 17 × 23 |
| Divisors count | 4 | 12 |
| Divisors | 1, 5, 311, 1555 | 1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564 |
| Number of properties | 1 | 0 |
| Semiprimes | 452nd | |
| Roman numberals | MDLV | MDLXIV |
| Base 2 | 110000100112 | 110000111002 |
| Base 3 | 20101213 | 20102213 |
| Base 4 | 1201034 | 1201304 |
| Base 5 | 222105 | 222245 |
| Base 6 | 111116 | 111246 |
| Base 7 | 43517 | 43637 |
| Base 8 | 30238 | 30348 |
| Base 9 | 21179 | 21279 |
| Base 10 | 155510 | 156410 |
| Base 11 | 119411 | 11a211 |
| Base 12 | a9712 | aa412 |
| Base 13 | 92813 | 93413 |
| Base 14 | 7d114 | 7da14 |
| Base 15 | 6da15 | 6e415 |
| Base 16 | 61316 | 61c16 |