Compare 421 vs 479
| Property | 421 | 479 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4211 | 4791 |
| Prime factorization | 421 | 479 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421 | 1, 479 |
| Number of properties | 6 | 6 |
| Additive primes | 48th | |
| Centered square primes | 8th | |
| Chen primes | 64th | |
| Harmonic primes | 36th | |
| Isolated primes | 45th | |
| Lucky primes | 23rd | |
| Primes | 82nd | 92nd |
| Pythagorean primes | 40th | |
| Safe primes | 17th | |
| Solinas primes | 36th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CDXXI | CDLXXIX |
| Base 2 | 1101001012 | 1110111112 |
| Base 3 | 1201213 | 1222023 |
| Base 4 | 122114 | 131334 |
| Base 5 | 31415 | 34045 |
| Base 6 | 15416 | 21156 |
| Base 7 | 11417 | 12537 |
| Base 8 | 6458 | 7378 |
| Base 9 | 5179 | 5829 |
| Base 10 | 42110 | 47910 |
| Base 11 | 35311 | 3a611 |
| Base 12 | 2b112 | 33b12 |
| Base 13 | 26513 | 2ab13 |
| Base 14 | 22114 | 26314 |
| Base 15 | 1d115 | 21e15 |
| Base 16 | 1a516 | 1df16 |