Compare 509 vs 1031
| Property | 509 | 1031 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5091 | 10311 |
| Prime factorization | 509 | 1031 |
| Divisors count | 2 | 2 |
| Divisors | 1, 509 | 1, 1031 |
| Number of properties | 9 | 9 |
| Additive primes | 92nd | |
| Chen primes | 69th | 118th |
| Emirps | 39th | |
| Good primes | 46th | |
| Isolated primes | 50th | |
| Long primes | 37th | |
| Primes | 97th | 173rd |
| Pythagorean primes | 45th | |
| Sexy primes (2nd member) | 47th | |
| Solinas primes | 38th | 47th |
| Sophie germain primes | 26th | 40th |
| Super primes | 25th | 40th |
| Twin primes (1st member) | 37th | |
| Roman numberals | DIX | MXXXI |
| Base 2 | 1111111012 | 100000001112 |
| Base 3 | 2002123 | 11020123 |
| Base 4 | 133314 | 1000134 |
| Base 5 | 40145 | 131115 |
| Base 6 | 22056 | 44356 |
| Base 7 | 13257 | 30027 |
| Base 8 | 7758 | 20078 |
| Base 9 | 6259 | 13659 |
| Base 10 | 50910 | 103110 |
| Base 11 | 42311 | 85811 |
| Base 12 | 36512 | 71b12 |
| Base 13 | 30213 | 61413 |
| Base 14 | 28514 | 53914 |
| Base 15 | 23e15 | 48b15 |
| Base 16 | 1fd16 | 40716 |