Compare 1247 vs 1255
| Property | 1247 | 1255 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 291 × 431 | 51 × 2511 |
| Prime factorization | 29 × 43 | 5 × 251 |
| Divisors count | 4 | 4 |
| Divisors | 1, 29, 43, 1247 | 1, 5, 251, 1255 |
| Number of properties | 1 | 1 |
| Semiprimes | 367th | 369th |
| Roman numberals | MCCXLVII | MCCLV |
| Base 2 | 100110111112 | 100111001112 |
| Base 3 | 12010123 | 12011113 |
| Base 4 | 1031334 | 1032134 |
| Base 5 | 144425 | 200105 |
| Base 6 | 54356 | 54516 |
| Base 7 | 34317 | 34427 |
| Base 8 | 23378 | 23478 |
| Base 9 | 16359 | 16449 |
| Base 10 | 124710 | 125510 |
| Base 11 | a3411 | a4111 |
| Base 12 | 87b12 | 88712 |
| Base 13 | 74c13 | 75713 |
| Base 14 | 65114 | 65914 |
| Base 15 | 58215 | 58a15 |
| Base 16 | 4df16 | 4e716 |