Compare 419 vs 521
| Property | 419 | 521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4191 | 5211 |
| Prime factorization | 419 | 521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 419 | 1, 521 |
| Number of properties | 6 | 6 |
| Chen primes | 58th | 70th |
| Good primes | 26th | |
| Long primes | 30th | |
| Lucas primes | 8th | |
| Primes | 81st | 98th |
| Pythagorean primes | 46th | |
| Solinas primes | 39th | |
| Sophie germain primes | 22nd | |
| Twin primes (1st member) | 22nd | 25th |
| Roman numberals | CDXIX | DXXI |
| Base 2 | 1101000112 | 10000010012 |
| Base 3 | 1201123 | 2010223 |
| Base 4 | 122034 | 200214 |
| Base 5 | 31345 | 40415 |
| Base 6 | 15356 | 22256 |
| Base 7 | 11367 | 13437 |
| Base 8 | 6438 | 10118 |
| Base 9 | 5159 | 6389 |
| Base 10 | 41910 | 52110 |
| Base 11 | 35111 | 43411 |
| Base 12 | 2ab12 | 37512 |
| Base 13 | 26313 | 31113 |
| Base 14 | 21d14 | 29314 |
| Base 15 | 1ce15 | 24b15 |
| Base 16 | 1a316 | 20916 |