Compare 19913 vs 21313
| Property | 19913 | 21313 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199131 | 213131 |
| Prime factorization | 19913 | 21313 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19913 | 1, 21313 |
| Number of properties | 10 | 7 |
| Additive primes | 1045th | |
| Cousin primes (1st member) | 362nd | |
| Emirps | 626th | |
| Good primes | 256th | 267th |
| Isolated primes | 1572nd | 1671st |
| Long primes | 861st | |
| Primes | 2251st | 2392nd |
| Prime triplets (1st member) | 179th | |
| Pythagorean primes | 1119th | 1187th |
| Sexy primes (1st member) | 691st | 725th |
| Sophie germain primes | 324th | |
| Super primes | 335th | |
| Roman numberals | ||
| Base 2 | 1001101110010012 | 1010011010000012 |
| Base 3 | 10000221123 | 10020201013 |
| Base 4 | 103130214 | 110310014 |
| Base 5 | 11141235 | 11402235 |
| Base 6 | 2321056 | 2424016 |
| Base 7 | 1120257 | 1160657 |
| Base 8 | 467118 | 515018 |
| Base 9 | 302759 | 322119 |
| Base 10 | 1991310 | 2131310 |
| Base 11 | 13a6311 | 1501611 |
| Base 12 | b63512 | 1040112 |
| Base 13 | 90aa13 | 991613 |
| Base 14 | 738514 | 7aa514 |
| Base 15 | 5d7815 | 64ad15 |
| Base 16 | 4dc916 | 534116 |