Compare 1979 vs 2179
| Property | 1979 | 2179 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19791 | 21791 |
| Prime factorization | 1979 | 2179 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1979 | 1, 2179 |
| Number of properties | 6 | 7 |
| Additive primes | 171st | |
| Chen primes | 184th | 199th |
| Emirps | 96th | |
| Harmonic primes | 119th | |
| Isolated primes | 180th | 194th |
| Long primes | 116th | 127th |
| Primes | 299th | 327th |
| Sexy primes (2nd member) | 126th | |
| Wedderburn-etherington primes | 6th | |
| Roman numberals | MCMLXXIX | MMCLXXIX |
| Base 2 | 111101110112 | 1000100000112 |
| Base 3 | 22010223 | 22222013 |
| Base 4 | 1323234 | 2020034 |
| Base 5 | 304045 | 322045 |
| Base 6 | 130556 | 140316 |
| Base 7 | 55257 | 62327 |
| Base 8 | 36738 | 42038 |
| Base 9 | 26389 | 28819 |
| Base 10 | 197910 | 217910 |
| Base 11 | 153a11 | 170111 |
| Base 12 | 118b12 | 131712 |
| Base 13 | b9313 | cb813 |
| Base 14 | a1514 | b1914 |
| Base 15 | 8be15 | 9a415 |
| Base 16 | 7bb16 | 88316 |