Compare 1865 vs 1866
| Property | 1865 | 1866 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 3731 | 21 × 31 × 3111 |
| Prime factorization | 5 × 373 | 2 × 3 × 311 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 373, 1865 | 1, 2, 3, 6, 311, 622, 933, 1866 |
| Number of properties | 1 | 0 |
| Semiprimes | 538th | |
| Roman numberals | MDCCCLXV | MDCCCLXVI |
| Base 2 | 111010010012 | 111010010102 |
| Base 3 | 21200023 | 21200103 |
| Base 4 | 1310214 | 1310224 |
| Base 5 | 244305 | 244315 |
| Base 6 | 123456 | 123506 |
| Base 7 | 53037 | 53047 |
| Base 8 | 35118 | 35128 |
| Base 9 | 25029 | 25039 |
| Base 10 | 186510 | 186610 |
| Base 11 | 144611 | 144711 |
| Base 12 | 10b512 | 10b612 |
| Base 13 | b0613 | b0713 |
| Base 14 | 97314 | 97414 |
| Base 15 | 84515 | 84615 |
| Base 16 | 74916 | 74a16 |