Compare 419 vs 491
| Property | 419 | 491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4191 | 4911 |
| Prime factorization | 419 | 491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 419 | 1, 491 |
| Number of properties | 6 | 7 |
| Chen primes | 58th | 66th |
| Cousin primes (2nd member) | 26th | |
| Good primes | 26th | |
| Harmonic primes | 38th | |
| Isolated primes | 47th | |
| Long primes | 30th | 34th |
| Primes | 81st | 94th |
| Sophie germain primes | 22nd | 25th |
| Twin primes (1st member) | 22nd | |
| Roman numberals | CDXIX | CDXCI |
| Base 2 | 1101000112 | 1111010112 |
| Base 3 | 1201123 | 2000123 |
| Base 4 | 122034 | 132234 |
| Base 5 | 31345 | 34315 |
| Base 6 | 15356 | 21356 |
| Base 7 | 11367 | 13017 |
| Base 8 | 6438 | 7538 |
| Base 9 | 5159 | 6059 |
| Base 10 | 41910 | 49110 |
| Base 11 | 35111 | 40711 |
| Base 12 | 2ab12 | 34b12 |
| Base 13 | 26313 | 2ba13 |
| Base 14 | 21d14 | 27114 |
| Base 15 | 1ce15 | 22b15 |
| Base 16 | 1a316 | 1eb16 |