Compare 409 vs 409
| Property | 409 | 409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4091 | 4091 |
| Prime factorization | 409 | 409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 409 | 1, 409 |
| Number of properties | 9 | 9 |
| Additive primes | 47th | 47th |
| Centered triangular primes | 5th | 5th |
| Chen primes | 57th | 57th |
| Happy primes | 22nd | 22nd |
| Isolated primes | 39th | 39th |
| Lucky primes | 22nd | 22nd |
| Primes | 80th | 80th |
| Pythagorean primes | 39th | 39th |
| Ulam primes | 11th | 11th |
| Roman numberals | CDIX | CDIX |
| Base 2 | 1100110012 | 1100110012 |
| Base 3 | 1200113 | 1200113 |
| Base 4 | 121214 | 121214 |
| Base 5 | 31145 | 31145 |
| Base 6 | 15216 | 15216 |
| Base 7 | 11237 | 11237 |
| Base 8 | 6318 | 6318 |
| Base 9 | 5049 | 5049 |
| Base 10 | 40910 | 40910 |
| Base 11 | 34211 | 34211 |
| Base 12 | 2a112 | 2a112 |
| Base 13 | 25613 | 25613 |
| Base 14 | 21314 | 21314 |
| Base 15 | 1c415 | 1c415 |
| Base 16 | 19916 | 19916 |