Compare 1913 vs 1979
| Property | 1913 | 1979 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19131 | 19791 |
| Prime factorization | 1913 | 1979 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1913 | 1, 1979 |
| Number of properties | 9 | 6 |
| Chen primes | 181st | 184th |
| Emirps | 93rd | 96th |
| Isolated primes | 178th | 180th |
| Long primes | 114th | 116th |
| Primes | 293rd | 299th |
| Pythagorean primes | 142nd | |
| Sexy primes (2nd member) | 125th | 126th |
| Sexy prime triplets (3rd member) | 49th | |
| Super primes | 62nd | |
| Roman numberals | MCMXIII | MCMLXXIX |
| Base 2 | 111011110012 | 111101110112 |
| Base 3 | 21212123 | 22010223 |
| Base 4 | 1313214 | 1323234 |
| Base 5 | 301235 | 304045 |
| Base 6 | 125056 | 130556 |
| Base 7 | 54027 | 55257 |
| Base 8 | 35718 | 36738 |
| Base 9 | 25559 | 26389 |
| Base 10 | 191310 | 197910 |
| Base 11 | 148a11 | 153a11 |
| Base 12 | 113512 | 118b12 |
| Base 13 | b4213 | b9313 |
| Base 14 | 9a914 | a1514 |
| Base 15 | 87815 | 8be15 |
| Base 16 | 77916 | 7bb16 |