Compare 421 vs 761
| Property | 421 | 761 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4211 | 7611 |
| Prime factorization | 421 | 761 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421 | 1, 761 |
| Number of properties | 6 | 9 |
| Additive primes | 48th | |
| Centered square primes | 8th | 10th |
| Chen primes | 91st | |
| Cousin primes (2nd member) | 32nd | |
| Emirps | 27th | |
| Happy primes | 31st | |
| Isolated primes | 76th | |
| Lucky primes | 23rd | |
| Primes | 82nd | 135th |
| Pythagorean primes | 40th | 64th |
| Sophie germain primes | 34th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CDXXI | DCCLXI |
| Base 2 | 1101001012 | 10111110012 |
| Base 3 | 1201213 | 10010123 |
| Base 4 | 122114 | 233214 |
| Base 5 | 31415 | 110215 |
| Base 6 | 15416 | 33056 |
| Base 7 | 11417 | 21357 |
| Base 8 | 6458 | 13718 |
| Base 9 | 5179 | 10359 |
| Base 10 | 42110 | 76110 |
| Base 11 | 35311 | 63211 |
| Base 12 | 2b112 | 53512 |
| Base 13 | 26513 | 46713 |
| Base 14 | 22114 | 3c514 |
| Base 15 | 1d115 | 35b15 |
| Base 16 | 1a516 | 2f916 |