Compare 190913 vs 191231
| Property | 190913 | 191231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1909131 | 1912311 |
| Prime factorization | 190913 | 191231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 190913 | 1, 191231 |
| Number of properties | 7 | 7 |
| Additive primes | 6970th | 6981st |
| Chen primes | 7255th | |
| Cousin primes (2nd member) | 2046th | 2049th |
| Happy primes | 2654th | |
| Isolated primes | 13083rd | 13103rd |
| Long primes | 6459th | |
| Primes | 17242nd | 17264th |
| Pythagorean primes | 8602nd | |
| Sexy primes (1st member) | 4131st | |
| Sophie germain primes | 1981st | |
| Roman numberals | ||
| Base 2 | 1011101001110000012 | 1011101010111111112 |
| Base 3 | 1002002122123 | 1002010221223 |
| Base 4 | 2322130014 | 2322233334 |
| Base 5 | 221021235 | 221044115 |
| Base 6 | 40315056 | 40331556 |
| Base 7 | 14234127 | 14243457 |
| Base 8 | 5647018 | 5653778 |
| Base 9 | 3207859 | 3212789 |
| Base 10 | 19091310 | 19123110 |
| Base 11 | 12048811 | 12074711 |
| Base 12 | 9259512 | 927bb12 |
| Base 13 | 68b8813 | 6907113 |
| Base 14 | 4d80914 | 4d99514 |
| Base 15 | 3b87815 | 3b9db15 |
| Base 16 | 2e9c116 | 2eaff16 |