Compare 1205 vs 1209
| Property | 1205 | 1209 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 2411 | 31 × 131 × 311 |
| Prime factorization | 5 × 241 | 3 × 13 × 31 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 241, 1205 | 1, 3, 13, 31, 39, 93, 403, 1209 |
| Number of properties | 1 | 0 |
| Semiprimes | 356th | |
| Roman numberals | MCCV | MCCIX |
| Base 2 | 100101101012 | 100101110012 |
| Base 3 | 11221223 | 11222103 |
| Base 4 | 1023114 | 1023214 |
| Base 5 | 143105 | 143145 |
| Base 6 | 53256 | 53336 |
| Base 7 | 33417 | 33457 |
| Base 8 | 22658 | 22718 |
| Base 9 | 15789 | 15839 |
| Base 10 | 120510 | 120910 |
| Base 11 | 9a611 | 9aa11 |
| Base 12 | 84512 | 84912 |
| Base 13 | 71913 | 72013 |
| Base 14 | 62114 | 62514 |
| Base 15 | 55515 | 55915 |
| Base 16 | 4b516 | 4b916 |