Compare 1913 vs 2039
| Property | 1913 | 2039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19131 | 20391 |
| Prime factorization | 1913 | 2039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1913 | 1, 2039 |
| Number of properties | 9 | 8 |
| Chen primes | 181st | 190th |
| Emirps | 93rd | |
| Happy primes | 56th | |
| Harmonic primes | 115th | |
| Isolated primes | 178th | 186th |
| Long primes | 114th | |
| Primes | 293rd | 309th |
| Pythagorean primes | 142nd | |
| Safe primes | 39th | |
| Sexy primes (2nd member) | 125th | |
| Sexy prime triplets (3rd member) | 49th | |
| Solinas primes | 55th | |
| Sophie germain primes | 62nd | |
| Super primes | 62nd | |
| Roman numberals | MCMXIII | MMXXXIX |
| Base 2 | 111011110012 | 111111101112 |
| Base 3 | 21212123 | 22101123 |
| Base 4 | 1313214 | 1333134 |
| Base 5 | 301235 | 311245 |
| Base 6 | 125056 | 132356 |
| Base 7 | 54027 | 56427 |
| Base 8 | 35718 | 37678 |
| Base 9 | 25559 | 27159 |
| Base 10 | 191310 | 203910 |
| Base 11 | 148a11 | 159411 |
| Base 12 | 113512 | 121b12 |
| Base 13 | b4213 | c0b13 |
| Base 14 | 9a914 | a5914 |
| Base 15 | 87815 | 90e15 |
| Base 16 | 77916 | 7f716 |