Compare 409 vs 509
| Property | 409 | 509 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4091 | 5091 |
| Prime factorization | 409 | 509 |
| Divisors count | 2 | 2 |
| Divisors | 1, 409 | 1, 509 |
| Number of properties | 9 | 9 |
| Additive primes | 47th | |
| Centered triangular primes | 5th | |
| Chen primes | 57th | 69th |
| Happy primes | 22nd | |
| Isolated primes | 39th | 50th |
| Long primes | 37th | |
| Lucky primes | 22nd | |
| Primes | 80th | 97th |
| Pythagorean primes | 39th | 45th |
| Sexy primes (2nd member) | 47th | |
| Solinas primes | 38th | |
| Sophie germain primes | 26th | |
| Super primes | 25th | |
| Ulam primes | 11th | |
| Roman numberals | CDIX | DIX |
| Base 2 | 1100110012 | 1111111012 |
| Base 3 | 1200113 | 2002123 |
| Base 4 | 121214 | 133314 |
| Base 5 | 31145 | 40145 |
| Base 6 | 15216 | 22056 |
| Base 7 | 11237 | 13257 |
| Base 8 | 6318 | 7758 |
| Base 9 | 5049 | 6259 |
| Base 10 | 40910 | 50910 |
| Base 11 | 34211 | 42311 |
| Base 12 | 2a112 | 36512 |
| Base 13 | 25613 | 30213 |
| Base 14 | 21314 | 28514 |
| Base 15 | 1c415 | 23e15 |
| Base 16 | 19916 | 1fd16 |