Compare 15 vs 59
| Property | 15 | 59 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 51 | 591 |
| Prime factorization | 3 × 5 | 59 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 5, 15 | 1, 59 |
| Number of properties | 1 | 12 |
| Chen primes | 16th | |
| Good primes | 8th | |
| Long primes | 7th | |
| Primes | 17th | |
| Right-truncatable primes | 10th | |
| Safe primes | 6th | |
| Semiprimes | 6th | |
| Sexy primes (2nd member) | 11th | |
| Sexy prime quadrupletss (4th member) | 3rd | |
| Sexy prime triplets (3rd member) | 7th | |
| Solinas primes | 14th | |
| Super primes | 7th | |
| Twin primes (1st member) | 7th | |
| Roman numberals | XV | LIX |
| Base 2 | 11112 | 1110112 |
| Base 3 | 1203 | 20123 |
| Base 4 | 334 | 3234 |
| Base 5 | 305 | 2145 |
| Base 6 | 236 | 1356 |
| Base 7 | 217 | 1137 |
| Base 8 | 178 | 738 |
| Base 9 | 169 | 659 |
| Base 10 | 1510 | 5910 |
| Base 11 | 1411 | 5411 |
| Base 12 | 1312 | 4b12 |
| Base 13 | 1213 | 4713 |
| Base 14 | 1114 | 4314 |
| Base 15 | 1015 | 3e15 |
| Base 16 | f16 | 3b16 |