Compare 1863 vs 1865
| Property | 1863 | 1865 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 34 × 231 | 51 × 3731 |
| Prime factorization | 3 × 3 × 3 × 3 × 23 | 5 × 373 |
| Divisors count | 10 | 4 |
| Divisors | 1, 3, 9, 23, 27, 69, 81, 207, 621, 1863 | 1, 5, 373, 1865 |
| Number of properties | 0 | 1 |
| Semiprimes | 538th | |
| Roman numberals | MDCCCLXIII | MDCCCLXV |
| Base 2 | 111010001112 | 111010010012 |
| Base 3 | 21200003 | 21200023 |
| Base 4 | 1310134 | 1310214 |
| Base 5 | 244235 | 244305 |
| Base 6 | 123436 | 123456 |
| Base 7 | 53017 | 53037 |
| Base 8 | 35078 | 35118 |
| Base 9 | 25009 | 25029 |
| Base 10 | 186310 | 186510 |
| Base 11 | 144411 | 144611 |
| Base 12 | 10b312 | 10b512 |
| Base 13 | b0413 | b0613 |
| Base 14 | 97114 | 97314 |
| Base 15 | 84315 | 84515 |
| Base 16 | 74716 | 74916 |