Compare 1209 vs 1219
| Property | 1209 | 1219 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 131 × 311 | 231 × 531 |
| Prime factorization | 3 × 13 × 31 | 23 × 53 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 13, 31, 39, 93, 403, 1209 | 1, 23, 53, 1219 |
| Number of properties | 0 | 1 |
| Semiprimes | 360th | |
| Roman numberals | MCCIX | MCCXIX |
| Base 2 | 100101110012 | 100110000112 |
| Base 3 | 11222103 | 12000113 |
| Base 4 | 1023214 | 1030034 |
| Base 5 | 143145 | 143345 |
| Base 6 | 53336 | 53516 |
| Base 7 | 33457 | 33617 |
| Base 8 | 22718 | 23038 |
| Base 9 | 15839 | 16049 |
| Base 10 | 120910 | 121910 |
| Base 11 | 9aa11 | a0911 |
| Base 12 | 84912 | 85712 |
| Base 13 | 72013 | 72a13 |
| Base 14 | 62514 | 63114 |
| Base 15 | 55915 | 56415 |
| Base 16 | 4b916 | 4c316 |