Compare 1979 vs 1990
Property | 1979 | 1990 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 3 |
Prime factorization | 19791 | 21 × 51 × 1991 |
Prime factorization | 1979 | 2 × 5 × 199 |
Divisors count | 2 | 8 |
Divisors | 1, 1979 | 1, 2, 5, 10, 199, 398, 995, 1990 |
Number of properties | 6 | 0 |
Chen primes | 184th | |
Emirps | 96th | |
Isolated primes | 180th | |
Long primes | 116th | |
Primes | 299th | |
Sexy primes (2nd member) | 126th | |
Roman numberals | MCMLXXIX | MCMXC |
Base 2 | 111101110112 | 111110001102 |
Base 3 | 22010223 | 22012013 |
Base 4 | 1323234 | 1330124 |
Base 5 | 304045 | 304305 |
Base 6 | 130556 | 131146 |
Base 7 | 55257 | 55427 |
Base 8 | 36738 | 37068 |
Base 9 | 26389 | 26519 |
Base 10 | 197910 | 199010 |
Base 11 | 153a11 | 154a11 |
Base 12 | 118b12 | 119a12 |
Base 13 | b9313 | ba113 |
Base 14 | a1514 | a2214 |
Base 15 | 8be15 | 8ca15 |
Base 16 | 7bb16 | 7c616 |