Compare 421 vs 1201
| Property | 421 | 1201 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4211 | 12011 |
| Prime factorization | 421 | 1201 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421 | 1, 1201 |
| Number of properties | 6 | 11 |
| Additive primes | 48th | |
| Centered decagonal primes | 11th | |
| Centered square primes | 8th | 12th |
| Chen primes | 130th | |
| Cuban primes 2 | 6th | |
| Emirps | 51st | |
| Harmonic primes | 69th | |
| Isolated primes | 116th | |
| Lucky primes | 23rd | 51st |
| Primes | 82nd | 197th |
| Pythagorean primes | 40th | 96th |
| Super primes | 45th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CDXXI | MCCI |
| Base 2 | 1101001012 | 100101100012 |
| Base 3 | 1201213 | 11221113 |
| Base 4 | 122114 | 1023014 |
| Base 5 | 31415 | 143015 |
| Base 6 | 15416 | 53216 |
| Base 7 | 11417 | 33347 |
| Base 8 | 6458 | 22618 |
| Base 9 | 5179 | 15749 |
| Base 10 | 42110 | 120110 |
| Base 11 | 35311 | 9a211 |
| Base 12 | 2b112 | 84112 |
| Base 13 | 26513 | 71513 |
| Base 14 | 22114 | 61b14 |
| Base 15 | 1d115 | 55115 |
| Base 16 | 1a516 | 4b116 |