Compare 307 vs 409
| Property | 307 | 409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3071 | 4091 |
| Prime factorization | 307 | 409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 307 | 1, 409 |
| Number of properties | 9 | 9 |
| Additive primes | 47th | |
| Centered triangular primes | 5th | |
| Chen primes | 47th | 57th |
| Cousin primes (1st member) | 18th | |
| Good primes | 22nd | |
| Happy primes | 22nd | |
| Harmonic primes | 25th | |
| Isolated primes | 26th | 39th |
| Lucky primes | 18th | 22nd |
| Primes | 63rd | 80th |
| Prime triplets (1st member) | 18th | |
| Pythagorean primes | 39th | |
| Sexy primes (1st member) | 35th | |
| Ulam primes | 11th | |
| Roman numberals | CCCVII | CDIX |
| Base 2 | 1001100112 | 1100110012 |
| Base 3 | 1021013 | 1200113 |
| Base 4 | 103034 | 121214 |
| Base 5 | 22125 | 31145 |
| Base 6 | 12316 | 15216 |
| Base 7 | 6167 | 11237 |
| Base 8 | 4638 | 6318 |
| Base 9 | 3719 | 5049 |
| Base 10 | 30710 | 40910 |
| Base 11 | 25a11 | 34211 |
| Base 12 | 21712 | 2a112 |
| Base 13 | 1a813 | 25613 |
| Base 14 | 17d14 | 21314 |
| Base 15 | 15715 | 1c415 |
| Base 16 | 13316 | 19916 |