Compare 28 vs 59
| Property | 28 | 59 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 22 × 71 | 591 |
| Prime factorization | 2 × 2 × 7 | 59 |
| Divisors count | 6 | 2 |
| Divisors | 1, 2, 4, 7, 14, 28 | 1, 59 |
| Number of properties | 0 | 12 |
| Chen primes | 16th | |
| Good primes | 8th | |
| Long primes | 7th | |
| Primes | 17th | |
| Right-truncatable primes | 10th | |
| Safe primes | 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 | XXVIII | LIX |
| Base 2 | 111002 | 1110112 |
| Base 3 | 10013 | 20123 |
| Base 4 | 1304 | 3234 |
| Base 5 | 1035 | 2145 |
| Base 6 | 446 | 1356 |
| Base 7 | 407 | 1137 |
| Base 8 | 348 | 738 |
| Base 9 | 319 | 659 |
| Base 10 | 2810 | 5910 |
| Base 11 | 2611 | 5411 |
| Base 12 | 2412 | 4b12 |
| Base 13 | 2213 | 4713 |
| Base 14 | 2014 | 4314 |
| Base 15 | 1d15 | 3e15 |
| Base 16 | 1c16 | 3b16 |