Compare 17981 vs 18773
| Property | 17981 | 18773 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 179811 | 187731 |
| Prime factorization | 17981 | 18773 |
| Divisors count | 2 | 2 |
| Divisors | 1, 17981 | 1, 18773 |
| Number of properties | 7 | 6 |
| Cousin primes (2nd member) | 322nd | |
| Emirps | 585th | |
| Harmonic primes | 770th | |
| Isolated primes | 1435th | 1493rd |
| Long primes | 794th | |
| Primes | 2062nd | 2142nd |
| Pythagorean primes | 1016th | 1062nd |
| Sexy primes (1st member) | 637th | |
| Sophie germain primes | 299th | 309th |
| Roman numberals | ||
| Base 2 | 1000110001111012 | 1001001010101012 |
| Base 3 | 2201222223 | 2212020223 |
| Base 4 | 101203314 | 102111114 |
| Base 5 | 10334115 | 11000435 |
| Base 6 | 2151256 | 2225256 |
| Base 7 | 1032657 | 1055067 |
| Base 8 | 430758 | 445258 |
| Base 9 | 265889 | 276689 |
| Base 10 | 1798110 | 1877310 |
| Base 11 | 1256711 | 1311711 |
| Base 12 | a4a512 | aa4512 |
| Base 13 | 825213 | 871113 |
| Base 14 | 67a514 | 6bad14 |
| Base 15 | 54db15 | 586815 |
| Base 16 | 463d16 | 495516 |