Compare 1979 vs 2039
| Property | 1979 | 2039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19791 | 20391 |
| Prime factorization | 1979 | 2039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1979 | 1, 2039 |
| Number of properties | 6 | 8 |
| Chen primes | 184th | 190th |
| Emirps | 96th | |
| Happy primes | 56th | |
| Harmonic primes | 115th | |
| Isolated primes | 180th | 186th |
| Long primes | 116th | |
| Primes | 299th | 309th |
| Safe primes | 39th | |
| Sexy primes (2nd member) | 126th | |
| Solinas primes | 55th | |
| Sophie germain primes | 62nd | |
| Roman numberals | MCMLXXIX | MMXXXIX |
| Base 2 | 111101110112 | 111111101112 |
| Base 3 | 22010223 | 22101123 |
| Base 4 | 1323234 | 1333134 |
| Base 5 | 304045 | 311245 |
| Base 6 | 130556 | 132356 |
| Base 7 | 55257 | 56427 |
| Base 8 | 36738 | 37678 |
| Base 9 | 26389 | 27159 |
| Base 10 | 197910 | 203910 |
| Base 11 | 153a11 | 159411 |
| Base 12 | 118b12 | 121b12 |
| Base 13 | b9313 | c0b13 |
| Base 14 | a1514 | a5914 |
| Base 15 | 8be15 | 90e15 |
| Base 16 | 7bb16 | 7f716 |