Compare 15 vs 27
| Property | 15 | 27 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 1 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 51 | 33 |
| Prime factorization | 3 × 5 | 3 × 3 × 3 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 5, 15 | 1, 3, 9, 27 |
| Number of properties | 1 | 0 |
| Semiprimes | 6th | |
| Roman numberals | XV | XXVII |
| Base 2 | 11112 | 110112 |
| Base 3 | 1203 | 10003 |
| Base 4 | 334 | 1234 |
| Base 5 | 305 | 1025 |
| Base 6 | 236 | 436 |
| Base 7 | 217 | 367 |
| Base 8 | 178 | 338 |
| Base 9 | 169 | 309 |
| Base 10 | 1510 | 2710 |
| Base 11 | 1411 | 2511 |
| Base 12 | 1312 | 2312 |
| Base 13 | 1213 | 2113 |
| Base 14 | 1114 | 1d14 |
| Base 15 | 1015 | 1c15 |
| Base 16 | f16 | 1b16 |