Compare 1839 vs 1891
| Property | 1839 | 1891 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 6131 | 311 × 611 |
| Prime factorization | 3 × 613 | 31 × 61 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 613, 1839 | 1, 31, 61, 1891 |
| Number of properties | 1 | 1 |
| Semiprimes | 530th | 542nd |
| Roman numberals | MDCCCXXXIX | MDCCCXCI |
| Base 2 | 111001011112 | 111011000112 |
| Base 3 | 21120103 | 21210013 |
| Base 4 | 1302334 | 1312034 |
| Base 5 | 243245 | 300315 |
| Base 6 | 123036 | 124316 |
| Base 7 | 52357 | 53417 |
| Base 8 | 34578 | 35438 |
| Base 9 | 24639 | 25319 |
| Base 10 | 183910 | 189110 |
| Base 11 | 142211 | 146a11 |
| Base 12 | 109312 | 111712 |
| Base 13 | ab613 | b2613 |
| Base 14 | 95514 | 99114 |
| Base 15 | 82915 | 86115 |
| Base 16 | 72f16 | 76316 |