Compare 4391 vs 4481
| Property | 4391 | 4481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 43911 | 44811 |
| Prime factorization | 4391 | 4481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 4391 | 1, 4481 |
| Number of properties | 7 | 9 |
| Additive primes | 306th | 314th |
| Chen primes | 344th | 351st |
| Good primes | 102nd | |
| Happy primes | 111th | |
| Harmonic primes | 218th | |
| Isolated primes | 369th | |
| Primes | 598th | 608th |
| Proth primes | 28th | |
| Pythagorean primes | 300th | |
| Sexy primes (1st member) | 217th | |
| Sophie germain primes | 108th | 110th |
| Twin primes (1st member) | 117th | |
| Roman numberals | MMMMCCCXCI | MMMMCDLXXXI |
| Base 2 | 10001001001112 | 10001100000012 |
| Base 3 | 200001223 | 200102223 |
| Base 4 | 10102134 | 10120014 |
| Base 5 | 1200315 | 1204115 |
| Base 6 | 321556 | 324256 |
| Base 7 | 155427 | 160317 |
| Base 8 | 104478 | 106018 |
| Base 9 | 60189 | 61289 |
| Base 10 | 439110 | 448110 |
| Base 11 | 333211 | 340411 |
| Base 12 | 265b12 | 271512 |
| Base 13 | 1cca13 | 206913 |
| Base 14 | 185914 | 18c114 |
| Base 15 | 147b15 | 14db15 |
| Base 16 | 112716 | 118116 |