Compare 509 vs 1009
| Property | 509 | 1009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5091 | 10091 |
| Prime factorization | 509 | 1009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 509 | 1, 1009 |
| Number of properties | 9 | 10 |
| Chen primes | 69th | 116th |
| Cousin primes (1st member) | 42nd | |
| Emirps | 37th | |
| Good primes | 45th | |
| Happy primes | 36th | |
| Isolated primes | 50th | 100th |
| Long primes | 37th | |
| Lucky primes | 44th | |
| Primes | 97th | 169th |
| Pythagorean primes | 45th | 81st |
| Sexy primes (2nd member) | 47th | |
| Solinas primes | 38th | 44th |
| Sophie germain primes | 26th | |
| Super primes | 25th | |
| Roman numberals | DIX | MIX |
| Base 2 | 1111111012 | 11111100012 |
| Base 3 | 2002123 | 11011013 |
| Base 4 | 133314 | 333014 |
| Base 5 | 40145 | 130145 |
| Base 6 | 22056 | 44016 |
| Base 7 | 13257 | 26417 |
| Base 8 | 7758 | 17618 |
| Base 9 | 6259 | 13419 |
| Base 10 | 50910 | 100910 |
| Base 11 | 42311 | 83811 |
| Base 12 | 36512 | 70112 |
| Base 13 | 30213 | 5c813 |
| Base 14 | 28514 | 52114 |
| Base 15 | 23e15 | 47415 |
| Base 16 | 1fd16 | 3f116 |