Compare 1979 vs 2099
| Property | 1979 | 2099 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19791 | 20991 |
| Prime factorization | 1979 | 2099 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1979 | 1, 2099 |
| Number of properties | 6 | 6 |
| Chen primes | 184th | 194th |
| Emirps | 96th | |
| Isolated primes | 180th | 190th |
| Long primes | 116th | 121st |
| Primes | 299th | 317th |
| Safe primes | 41st | |
| Sexy primes (2nd member) | 126th | |
| Super primes | 66th | |
| Roman numberals | MCMLXXIX | MMXCIX |
| Base 2 | 111101110112 | 1000001100112 |
| Base 3 | 22010223 | 22122023 |
| Base 4 | 1323234 | 2003034 |
| Base 5 | 304045 | 313445 |
| Base 6 | 130556 | 134156 |
| Base 7 | 55257 | 60567 |
| Base 8 | 36738 | 40638 |
| Base 9 | 26389 | 27829 |
| Base 10 | 197910 | 209910 |
| Base 11 | 153a11 | 163911 |
| Base 12 | 118b12 | 126b12 |
| Base 13 | b9313 | c5613 |
| Base 14 | a1514 | a9d14 |
| Base 15 | 8be15 | 94e15 |
| Base 16 | 7bb16 | 83316 |