Compare 1979 vs 3121
| Property | 1979 | 3121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19791 | 31211 |
| Prime factorization | 1979 | 3121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1979 | 1, 3121 |
| Number of properties | 6 | 7 |
| Additive primes | 228th | |
| Centered square primes | 19th | |
| Chen primes | 184th | |
| Emirps | 96th | 105th |
| Isolated primes | 180th | |
| Long primes | 116th | |
| Lucky primes | 94th | |
| Primes | 299th | 445th |
| Pythagorean primes | 219th | |
| Sexy primes (2nd member) | 126th | |
| Twin primes (2nd member) | 83rd | |
| Roman numberals | MCMLXXIX | MMMCXXI |
| Base 2 | 111101110112 | 1100001100012 |
| Base 3 | 22010223 | 110211213 |
| Base 4 | 1323234 | 3003014 |
| Base 5 | 304045 | 444415 |
| Base 6 | 130556 | 222416 |
| Base 7 | 55257 | 120467 |
| Base 8 | 36738 | 60618 |
| Base 9 | 26389 | 42479 |
| Base 10 | 197910 | 312110 |
| Base 11 | 153a11 | 238811 |
| Base 12 | 118b12 | 198112 |
| Base 13 | b9313 | 156113 |
| Base 14 | a1514 | 11cd14 |
| Base 15 | 8be15 | dd115 |
| Base 16 | 7bb16 | c3116 |