Compare 1247 vs 1251
| Property | 1247 | 1251 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 291 × 431 | 32 × 1391 |
| Prime factorization | 29 × 43 | 3 × 3 × 139 |
| Divisors count | 4 | 6 |
| Divisors | 1, 29, 43, 1247 | 1, 3, 9, 139, 417, 1251 |
| Number of properties | 1 | 0 |
| Semiprimes | 367th | |
| Roman numberals | MCCXLVII | MCCLI |
| Base 2 | 100110111112 | 100111000112 |
| Base 3 | 12010123 | 12011003 |
| Base 4 | 1031334 | 1032034 |
| Base 5 | 144425 | 200015 |
| Base 6 | 54356 | 54436 |
| Base 7 | 34317 | 34357 |
| Base 8 | 23378 | 23438 |
| Base 9 | 16359 | 16409 |
| Base 10 | 124710 | 125110 |
| Base 11 | a3411 | a3811 |
| Base 12 | 87b12 | 88312 |
| Base 13 | 74c13 | 75313 |
| Base 14 | 65114 | 65514 |
| Base 15 | 58215 | 58615 |
| Base 16 | 4df16 | 4e316 |