Compare 238 vs 247
| Property | 238 | 247 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 71 × 171 | 131 × 191 |
| Prime factorization | 2 × 7 × 17 | 13 × 19 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 7, 14, 17, 34, 119, 238 | 1, 13, 19, 247 |
| Number of properties | 0 | 1 |
| Semiprimes | 79th | |
| Roman numberals | CCXXXVIII | CCXLVII |
| Base 2 | 111011102 | 111101112 |
| Base 3 | 222113 | 1000113 |
| Base 4 | 32324 | 33134 |
| Base 5 | 14235 | 14425 |
| Base 6 | 10346 | 10516 |
| Base 7 | 4607 | 5027 |
| Base 8 | 3568 | 3678 |
| Base 9 | 2849 | 3049 |
| Base 10 | 23810 | 24710 |
| Base 11 | 1a711 | 20511 |
| Base 12 | 17a12 | 18712 |
| Base 13 | 15413 | 16013 |
| Base 14 | 13014 | 13914 |
| Base 15 | 10d15 | 11715 |
| Base 16 | ee16 | f716 |