Compare 1979 vs 1986
| Property | 1979 | 1986 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 19791 | 21 × 31 × 3311 |
| Prime factorization | 1979 | 2 × 3 × 331 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1979 | 1, 2, 3, 6, 331, 662, 993, 1986 |
| 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 | MCMLXXXVI |
| Base 2 | 111101110112 | 111110000102 |
| Base 3 | 22010223 | 22011203 |
| Base 4 | 1323234 | 1330024 |
| Base 5 | 304045 | 304215 |
| Base 6 | 130556 | 131106 |
| Base 7 | 55257 | 55357 |
| Base 8 | 36738 | 37028 |
| Base 9 | 26389 | 26469 |
| Base 10 | 197910 | 198610 |
| Base 11 | 153a11 | 154611 |
| Base 12 | 118b12 | 119612 |
| Base 13 | b9313 | b9a13 |
| Base 14 | a1514 | a1c14 |
| Base 15 | 8be15 | 8c615 |
| Base 16 | 7bb16 | 7c216 |