Compare 487 vs 509
| Property | 487 | 509 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 4871 | 5091 | 
| Prime factorization | 487 | 509 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 487 | 1, 509 | 
| Number of properties | 10 | 9 | 
| Additive primes | 54th | |
| Chen primes | 65th | 69th | 
| Cousin primes (1st member) | 26th | |
| Happy primes | 23rd | |
| Harmonic primes | 37th | |
| Isolated primes | 46th | 50th | 
| Long primes | 33rd | 37th | 
| Lucky primes | 26th | |
| Pierpont primes | 16th | |
| Primes | 93rd | 97th | 
| Pythagorean primes | 45th | |
| Sexy primes (2nd member) | 47th | |
| Solinas primes | 38th | |
| Sophie germain primes | 26th | |
| Super primes | 25th | |
| Roman numberals | CDLXXXVII | DIX | 
| Base 2 | 1111001112 | 1111111012 | 
| Base 3 | 2000013 | 2002123 | 
| Base 4 | 132134 | 133314 | 
| Base 5 | 34225 | 40145 | 
| Base 6 | 21316 | 22056 | 
| Base 7 | 12647 | 13257 | 
| Base 8 | 7478 | 7758 | 
| Base 9 | 6019 | 6259 | 
| Base 10 | 48710 | 50910 | 
| Base 11 | 40311 | 42311 | 
| Base 12 | 34712 | 36512 | 
| Base 13 | 2b613 | 30213 | 
| Base 14 | 26b14 | 28514 | 
| Base 15 | 22715 | 23e15 | 
| Base 16 | 1e716 | 1fd16 |