Compare 247 vs 258
| Property | 247 | 258 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 131 × 191 | 21 × 31 × 431 |
| Prime factorization | 13 × 19 | 2 × 3 × 43 |
| Divisors count | 4 | 8 |
| Divisors | 1, 13, 19, 247 | 1, 2, 3, 6, 43, 86, 129, 258 |
| Number of properties | 1 | 0 |
| Semiprimes | 79th | |
| Roman numberals | CCXLVII | CCLVIII |
| Base 2 | 111101112 | 1000000102 |
| Base 3 | 1000113 | 1001203 |
| Base 4 | 33134 | 100024 |
| Base 5 | 14425 | 20135 |
| Base 6 | 10516 | 11106 |
| Base 7 | 5027 | 5167 |
| Base 8 | 3678 | 4028 |
| Base 9 | 3049 | 3169 |
| Base 10 | 24710 | 25810 |
| Base 11 | 20511 | 21511 |
| Base 12 | 18712 | 19612 |
| Base 13 | 16013 | 16b13 |
| Base 14 | 13914 | 14614 |
| Base 15 | 11715 | 12315 |
| Base 16 | f716 | 10216 |