Compare 247 vs 248
| Property | 247 | 248 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 131 × 191 | 23 × 311 |
| Prime factorization | 13 × 19 | 2 × 2 × 2 × 31 |
| Divisors count | 4 | 8 |
| Divisors | 1, 13, 19, 247 | 1, 2, 4, 8, 31, 62, 124, 248 |
| Number of properties | 1 | 0 |
| Semiprimes | 79th | |
| Roman numberals | CCXLVII | CCXLVIII |
| Base 2 | 111101112 | 111110002 |
| Base 3 | 1000113 | 1000123 |
| Base 4 | 33134 | 33204 |
| Base 5 | 14425 | 14435 |
| Base 6 | 10516 | 10526 |
| Base 7 | 5027 | 5037 |
| Base 8 | 3678 | 3708 |
| Base 9 | 3049 | 3059 |
| Base 10 | 24710 | 24810 |
| Base 11 | 20511 | 20611 |
| Base 12 | 18712 | 18812 |
| Base 13 | 16013 | 16113 |
| Base 14 | 13914 | 13a14 |
| Base 15 | 11715 | 11815 |
| Base 16 | f716 | f816 |