Compare 1830 vs 1839
| Property | 1830 | 1839 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 51 × 611 | 31 × 6131 |
| Prime factorization | 2 × 3 × 5 × 61 | 3 × 613 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830 | 1, 3, 613, 1839 |
| Number of properties | 0 | 1 |
| Semiprimes | 530th | |
| Roman numberals | MDCCCXXX | MDCCCXXXIX |
| Base 2 | 111001001102 | 111001011112 |
| Base 3 | 21112103 | 21120103 |
| Base 4 | 1302124 | 1302334 |
| Base 5 | 243105 | 243245 |
| Base 6 | 122506 | 123036 |
| Base 7 | 52237 | 52357 |
| Base 8 | 34468 | 34578 |
| Base 9 | 24539 | 24639 |
| Base 10 | 183010 | 183910 |
| Base 11 | 141411 | 142211 |
| Base 12 | 108612 | 109312 |
| Base 13 | aaa13 | ab613 |
| Base 14 | 94a14 | 95514 |
| Base 15 | 82015 | 82915 |
| Base 16 | 72616 | 72f16 |