Compare 208 vs 215
| Property | 208 | 215 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 24 × 131 | 51 × 431 |
| Prime factorization | 2 × 2 × 2 × 2 × 13 | 5 × 43 |
| Divisors count | 10 | 4 |
| Divisors | 1, 2, 4, 8, 13, 16, 26, 52, 104, 208 | 1, 5, 43, 215 |
| Number of properties | 0 | 1 |
| Semiprimes | 71st | |
| Roman numberals | CCVIII | CCXV |
| Base 2 | 110100002 | 110101112 |
| Base 3 | 212013 | 212223 |
| Base 4 | 31004 | 31134 |
| Base 5 | 13135 | 13305 |
| Base 6 | 5446 | 5556 |
| Base 7 | 4157 | 4257 |
| Base 8 | 3208 | 3278 |
| Base 9 | 2519 | 2589 |
| Base 10 | 20810 | 21510 |
| Base 11 | 17a11 | 18611 |
| Base 12 | 15412 | 15b12 |
| Base 13 | 13013 | 13713 |
| Base 14 | 10c14 | 11514 |
| Base 15 | dd15 | e515 |
| Base 16 | d016 | d716 |