Compare 1839 vs 1865
| Property | 1839 | 1865 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 6131 | 51 × 3731 |
| Prime factorization | 3 × 613 | 5 × 373 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 613, 1839 | 1, 5, 373, 1865 |
| Number of properties | 1 | 1 |
| Semiprimes | 530th | 538th |
| Roman numberals | MDCCCXXXIX | MDCCCLXV |
| Base 2 | 111001011112 | 111010010012 |
| Base 3 | 21120103 | 21200023 |
| Base 4 | 1302334 | 1310214 |
| Base 5 | 243245 | 244305 |
| Base 6 | 123036 | 123456 |
| Base 7 | 52357 | 53037 |
| Base 8 | 34578 | 35118 |
| Base 9 | 24639 | 25029 |
| Base 10 | 183910 | 186510 |
| Base 11 | 142211 | 144611 |
| Base 12 | 109312 | 10b512 |
| Base 13 | ab613 | b0613 |
| Base 14 | 95514 | 97314 |
| Base 15 | 82915 | 84515 |
| Base 16 | 72f16 | 74916 |