Compare 15 vs 35
| Property | 15 | 35 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 51 | 51 × 71 |
| Prime factorization | 3 × 5 | 5 × 7 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 5, 15 | 1, 5, 7, 35 |
| Number of properties | 1 | 1 |
| Semiprimes | 6th | 13th |
| Roman numberals | XV | XXXV |
| Base 2 | 11112 | 1000112 |
| Base 3 | 1203 | 10223 |
| Base 4 | 334 | 2034 |
| Base 5 | 305 | 1205 |
| Base 6 | 236 | 556 |
| Base 7 | 217 | 507 |
| Base 8 | 178 | 438 |
| Base 9 | 169 | 389 |
| Base 10 | 1510 | 3510 |
| Base 11 | 1411 | 3211 |
| Base 12 | 1312 | 2b12 |
| Base 13 | 1213 | 2913 |
| Base 14 | 1114 | 2714 |
| Base 15 | 1015 | 2515 |
| Base 16 | f16 | 2316 |