Compare 49 vs 59
| Property | 49 | 59 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 1 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 72 | 591 |
| Prime factorization | 7 × 7 | 59 |
| Divisors count | 3 | 2 |
| Divisors | 1, 7, 49 | 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 | 17th | |
| 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 | XLIX | LIX |
| Base 2 | 1100012 | 1110112 |
| Base 3 | 12113 | 20123 |
| Base 4 | 3014 | 3234 |
| Base 5 | 1445 | 2145 |
| Base 6 | 1216 | 1356 |
| Base 7 | 1007 | 1137 |
| Base 8 | 618 | 738 |
| Base 9 | 549 | 659 |
| Base 10 | 4910 | 5910 |
| Base 11 | 4511 | 5411 |
| Base 12 | 4112 | 4b12 |
| Base 13 | 3a13 | 4713 |
| Base 14 | 3714 | 4314 |
| Base 15 | 3415 | 3e15 |
| Base 16 | 3116 | 3b16 |