Compare 521 vs 599
| Property | 521 | 599 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 5211 | 5991 | 
| Prime factorization | 521 | 599 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 521 | 1, 599 | 
| Number of properties | 6 | 10 | 
| Additive primes | 59th | |
| Chen primes | 70th | 78th | 
| Good primes | 34th | |
| Lucas primes | 8th | |
| Primes | 98th | 109th | 
| Pythagorean primes | 46th | |
| Restricted right-truncatable primes | 3rd | |
| Right-truncatable primes | 23rd | |
| Sexy primes (2nd member) | 53rd | |
| Sexy prime triplets (3rd member) | 21st | |
| Solinas primes | 39th | |
| Super primes | 29th | |
| Twin primes (1st member) | 25th | 27th | 
| Roman numberals | DXXI | DXCIX | 
| Base 2 | 10000010012 | 10010101112 | 
| Base 3 | 2010223 | 2110123 | 
| Base 4 | 200214 | 211134 | 
| Base 5 | 40415 | 43445 | 
| Base 6 | 22256 | 24356 | 
| Base 7 | 13437 | 15147 | 
| Base 8 | 10118 | 11278 | 
| Base 9 | 6389 | 7359 | 
| Base 10 | 52110 | 59910 | 
| Base 11 | 43411 | 4a511 | 
| Base 12 | 37512 | 41b12 | 
| Base 13 | 31113 | 37113 | 
| Base 14 | 29314 | 30b14 | 
| Base 15 | 24b15 | 29e15 | 
| Base 16 | 20916 | 25716 |