Compare 1205 vs 1215
| Property | 1205 | 1215 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 6 |
| Prime factorization | 51 × 2411 | 35 × 51 |
| Prime factorization | 5 × 241 | 3 × 3 × 3 × 3 × 3 × 5 |
| Divisors count | 4 | 12 |
| Divisors | 1, 5, 241, 1205 | 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215 |
| Number of properties | 1 | 0 |
| Semiprimes | 356th | |
| Roman numberals | MCCV | MCCXV |
| Base 2 | 100101101012 | 100101111112 |
| Base 3 | 11221223 | 12000003 |
| Base 4 | 1023114 | 1023334 |
| Base 5 | 143105 | 143305 |
| Base 6 | 53256 | 53436 |
| Base 7 | 33417 | 33547 |
| Base 8 | 22658 | 22778 |
| Base 9 | 15789 | 16009 |
| Base 10 | 120510 | 121510 |
| Base 11 | 9a611 | a0511 |
| Base 12 | 84512 | 85312 |
| Base 13 | 71913 | 72613 |
| Base 14 | 62114 | 62b14 |
| Base 15 | 55515 | 56015 |
| Base 16 | 4b516 | 4bf16 |