Compare 409 vs 631
| Property | 409 | 631 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4091 | 6311 |
| Prime factorization | 409 | 631 |
| Divisors count | 2 | 2 |
| Divisors | 1, 409 | 1, 631 |
| Number of properties | 9 | 6 |
| Additive primes | 47th | |
| Centered triangular primes | 5th | 7th |
| Chen primes | 57th | 80th |
| Cuban primes 1 | 10th | |
| Happy primes | 22nd | |
| Isolated primes | 39th | 60th |
| Lucky primes | 22nd | 32nd |
| Primes | 80th | 115th |
| Pythagorean primes | 39th | |
| Ulam primes | 11th | |
| Roman numberals | CDIX | DCXXXI |
| Base 2 | 1100110012 | 10011101112 |
| Base 3 | 1200113 | 2121013 |
| Base 4 | 121214 | 213134 |
| Base 5 | 31145 | 100115 |
| Base 6 | 15216 | 25316 |
| Base 7 | 11237 | 15617 |
| Base 8 | 6318 | 11678 |
| Base 9 | 5049 | 7719 |
| Base 10 | 40910 | 63110 |
| Base 11 | 34211 | 52411 |
| Base 12 | 2a112 | 44712 |
| Base 13 | 25613 | 39713 |
| Base 14 | 21314 | 33114 |
| Base 15 | 1c415 | 2c115 |
| Base 16 | 19916 | 27716 |