Compare 19889 vs 21313
| Property | 19889 | 21313 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198891 | 213131 |
| Prime factorization | 19889 | 21313 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19889 | 1, 21313 |
| Number of properties | 8 | 7 |
| Chen primes | 1106th | |
| Cousin primes (1st member) | 362nd | |
| Good primes | 255th | 267th |
| Happy primes | 374th | |
| Harmonic primes | 814th | |
| Isolated primes | 1671st | |
| Primes | 2249th | 2392nd |
| Prime triplets (1st member) | 179th | |
| Pythagorean primes | 1118th | 1187th |
| Sexy primes (1st member) | 725th | |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001101101100012 | 1010011010000012 |
| Base 3 | 10000211223 | 10020201013 |
| Base 4 | 103123014 | 110310014 |
| Base 5 | 11140245 | 11402235 |
| Base 6 | 2320256 | 2424016 |
| Base 7 | 1116627 | 1160657 |
| Base 8 | 466618 | 515018 |
| Base 9 | 302489 | 322119 |
| Base 10 | 1988910 | 2131310 |
| Base 11 | 13a4111 | 1501611 |
| Base 12 | b61512 | 1040112 |
| Base 13 | 908c13 | 991613 |
| Base 14 | 736914 | 7aa514 |
| Base 15 | 5d5e15 | 64ad15 |
| Base 16 | 4db116 | 534116 |