Compare 509 vs 743
| Property | 509 | 743 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 5091 | 7431 | 
| Prime factorization | 509 | 743 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 509 | 1, 743 | 
| Number of properties | 9 | 8 | 
| Chen primes | 69th | 89th | 
| Cousin primes (2nd member) | 31st | |
| Emirps | 25th | |
| Isolated primes | 50th | 73rd | 
| Left-truncatable primes | 43rd | |
| Long primes | 37th | 48th | 
| Primes | 97th | 132nd | 
| Pythagorean primes | 45th | |
| Sexy primes (2nd member) | 47th | |
| Solinas primes | 38th | |
| Sophie germain primes | 26th | 33rd | 
| Super primes | 25th | |
| Roman numberals | DIX | DCCXLIII | 
| Base 2 | 1111111012 | 10111001112 | 
| Base 3 | 2002123 | 10001123 | 
| Base 4 | 133314 | 232134 | 
| Base 5 | 40145 | 104335 | 
| Base 6 | 22056 | 32356 | 
| Base 7 | 13257 | 21117 | 
| Base 8 | 7758 | 13478 | 
| Base 9 | 6259 | 10159 | 
| Base 10 | 50910 | 74310 | 
| Base 11 | 42311 | 61611 | 
| Base 12 | 36512 | 51b12 | 
| Base 13 | 30213 | 45213 | 
| Base 14 | 28514 | 3b114 | 
| Base 15 | 23e15 | 34815 | 
| Base 16 | 1fd16 | 2e716 |