Compare 3989 vs 4481
| Property | 3989 | 4481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 39891 | 44811 |
| Prime factorization | 3989 | 4481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3989 | 1, 4481 |
| Number of properties | 8 | 9 |
| Additive primes | 281st | 314th |
| Chen primes | 320th | 351st |
| Good primes | 94th | 102nd |
| Happy primes | 111th | |
| Harmonic primes | 198th | |
| Isolated primes | 345th | |
| Long primes | 218th | |
| Primes | 550th | 608th |
| Proth primes | 28th | |
| Pythagorean primes | 269th | 300th |
| Sophie germain primes | 110th | |
| Twin primes (1st member) | 117th | |
| Roman numberals | MMMCMLXXXIX | MMMMCDLXXXI |
| Base 2 | 1111100101012 | 10001100000012 |
| Base 3 | 121102023 | 200102223 |
| Base 4 | 3321114 | 10120014 |
| Base 5 | 1114245 | 1204115 |
| Base 6 | 302456 | 324256 |
| Base 7 | 144267 | 160317 |
| Base 8 | 76258 | 106018 |
| Base 9 | 54229 | 61289 |
| Base 10 | 398910 | 448110 |
| Base 11 | 2aa711 | 340411 |
| Base 12 | 238512 | 271512 |
| Base 13 | 1a7b13 | 206913 |
| Base 14 | 164d14 | 18c114 |
| Base 15 | 12ae15 | 14db15 |
| Base 16 | f9516 | 118116 |