Compare 1865 vs 1872
| Property | 1865 | 1872 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 7 |
| Prime factorization | 51 × 3731 | 24 × 32 × 131 |
| Prime factorization | 5 × 373 | 2 × 2 × 2 × 2 × 3 × 3 × 13 |
| Divisors count | 4 | 30 |
| Divisors | 1, 5, 373, 1865 | 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872 |
| Number of properties | 1 | 0 |
| Semiprimes | 538th | |
| Roman numberals | MDCCCLXV | MDCCCLXXII |
| Base 2 | 111010010012 | 111010100002 |
| Base 3 | 21200023 | 21201003 |
| Base 4 | 1310214 | 1311004 |
| Base 5 | 244305 | 244425 |
| Base 6 | 123456 | 124006 |
| Base 7 | 53037 | 53137 |
| Base 8 | 35118 | 35208 |
| Base 9 | 25029 | 25109 |
| Base 10 | 186510 | 187210 |
| Base 11 | 144611 | 145211 |
| Base 12 | 10b512 | 110012 |
| Base 13 | b0613 | b1013 |
| Base 14 | 97314 | 97a14 |
| Base 15 | 84515 | 84c15 |
| Base 16 | 74916 | 75016 |