Compare 1205 vs 1247
| Property | 1205 | 1247 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 2411 | 291 × 431 |
| Prime factorization | 5 × 241 | 29 × 43 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 241, 1205 | 1, 29, 43, 1247 |
| Number of properties | 1 | 1 |
| Semiprimes | 356th | 367th |
| Roman numberals | MCCV | MCCXLVII |
| Base 2 | 100101101012 | 100110111112 |
| Base 3 | 11221223 | 12010123 |
| Base 4 | 1023114 | 1031334 |
| Base 5 | 143105 | 144425 |
| Base 6 | 53256 | 54356 |
| Base 7 | 33417 | 34317 |
| Base 8 | 22658 | 23378 |
| Base 9 | 15789 | 16359 |
| Base 10 | 120510 | 124710 |
| Base 11 | 9a611 | a3411 |
| Base 12 | 84512 | 87b12 |
| Base 13 | 71913 | 74c13 |
| Base 14 | 62114 | 65114 |
| Base 15 | 55515 | 58215 |
| Base 16 | 4b516 | 4df16 |