Compare 419 vs 421
| Property | 419 | 421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4191 | 4211 |
| Prime factorization | 419 | 421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 419 | 1, 421 |
| Number of properties | 6 | 6 |
| Additive primes | 48th | |
| Centered square primes | 8th | |
| Chen primes | 58th | |
| Good primes | 26th | |
| Long primes | 30th | |
| Lucky primes | 23rd | |
| Primes | 81st | 82nd |
| Pythagorean primes | 40th | |
| Sophie germain primes | 22nd | |
| Twin primes (1st member) | 22nd | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CDXIX | CDXXI |
| Base 2 | 1101000112 | 1101001012 |
| Base 3 | 1201123 | 1201213 |
| Base 4 | 122034 | 122114 |
| Base 5 | 31345 | 31415 |
| Base 6 | 15356 | 15416 |
| Base 7 | 11367 | 11417 |
| Base 8 | 6438 | 6458 |
| Base 9 | 5159 | 5179 |
| Base 10 | 41910 | 42110 |
| Base 11 | 35111 | 35311 |
| Base 12 | 2ab12 | 2b112 |
| Base 13 | 26313 | 26513 |
| Base 14 | 21d14 | 22114 |
| Base 15 | 1ce15 | 1d115 |
| Base 16 | 1a316 | 1a516 |