Compare 307 vs 421
| Property | 307 | 421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3071 | 4211 |
| Prime factorization | 307 | 421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 307 | 1, 421 |
| Number of properties | 9 | 6 |
| Additive primes | 48th | |
| Centered square primes | 8th | |
| Chen primes | 47th | |
| Cousin primes (1st member) | 18th | |
| Good primes | 22nd | |
| Harmonic primes | 25th | |
| Isolated primes | 26th | |
| Lucky primes | 18th | 23rd |
| Primes | 63rd | 82nd |
| Prime triplets (1st member) | 18th | |
| Pythagorean primes | 40th | |
| Sexy primes (1st member) | 35th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CCCVII | CDXXI |
| Base 2 | 1001100112 | 1101001012 |
| Base 3 | 1021013 | 1201213 |
| Base 4 | 103034 | 122114 |
| Base 5 | 22125 | 31415 |
| Base 6 | 12316 | 15416 |
| Base 7 | 6167 | 11417 |
| Base 8 | 4638 | 6458 |
| Base 9 | 3719 | 5179 |
| Base 10 | 30710 | 42110 |
| Base 11 | 25a11 | 35311 |
| Base 12 | 21712 | 2b112 |
| Base 13 | 1a813 | 26513 |
| Base 14 | 17d14 | 22114 |
| Base 15 | 15715 | 1d115 |
| Base 16 | 13316 | 1a516 |