Compare 1972 vs 1979
| Property | 1972 | 1979 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 171 × 291 | 19791 |
| Prime factorization | 2 × 2 × 17 × 29 | 1979 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972 | 1, 1979 |
| Number of properties | 0 | 6 |
| Chen primes | 184th | |
| Emirps | 96th | |
| Isolated primes | 180th | |
| Long primes | 116th | |
| Primes | 299th | |
| Sexy primes (2nd member) | 126th | |
| Roman numberals | MCMLXXII | MCMLXXIX |
| Base 2 | 111101101002 | 111101110112 |
| Base 3 | 22010013 | 22010223 |
| Base 4 | 1323104 | 1323234 |
| Base 5 | 303425 | 304045 |
| Base 6 | 130446 | 130556 |
| Base 7 | 55157 | 55257 |
| Base 8 | 36648 | 36738 |
| Base 9 | 26319 | 26389 |
| Base 10 | 197210 | 197910 |
| Base 11 | 153311 | 153a11 |
| Base 12 | 118412 | 118b12 |
| Base 13 | b8913 | b9313 |
| Base 14 | a0c14 | a1514 |
| Base 15 | 8b715 | 8be15 |
| Base 16 | 7b416 | 7bb16 |