Compare 3989 vs 3994
| Property | 3989 | 3994 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 39891 | 21 × 19971 |
| Prime factorization | 3989 | 2 × 1997 |
| Divisors count | 2 | 4 |
| Divisors | 1, 3989 | 1, 2, 1997, 3994 |
| Number of properties | 8 | 1 |
| Additive primes | 281st | |
| Chen primes | 320th | |
| Good primes | 94th | |
| Harmonic primes | 198th | |
| Isolated primes | 345th | |
| Long primes | 218th | |
| Primes | 550th | |
| Pythagorean primes | 269th | |
| Semiprimes | 1103rd | |
| Roman numberals | MMMCMLXXXIX | MMMCMXCIV |
| Base 2 | 1111100101012 | 1111100110102 |
| Base 3 | 121102023 | 121102213 |
| Base 4 | 3321114 | 3321224 |
| Base 5 | 1114245 | 1114345 |
| Base 6 | 302456 | 302546 |
| Base 7 | 144267 | 144347 |
| Base 8 | 76258 | 76328 |
| Base 9 | 54229 | 54279 |
| Base 10 | 398910 | 399410 |
| Base 11 | 2aa711 | 300111 |
| Base 12 | 238512 | 238a12 |
| Base 13 | 1a7b13 | 1a8313 |
| Base 14 | 164d14 | 165414 |
| Base 15 | 12ae15 | 12b415 |
| Base 16 | f9516 | f9a16 |