Compare 17981 vs 17982
| Property | 17981 | 17982 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 7 |
| Prime factorization | 179811 | 21 × 35 × 371 |
| Prime factorization | 17981 | 2 × 3 × 3 × 3 × 3 × 3 × 37 |
| Divisors count | 2 | 24 |
| Divisors | 1, 17981 | 1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 243, 333, 486, 666, 999, 1998, 2997, 5994, 8991, 17982 |
| Number of properties | 7 | 0 |
| Cousin primes (2nd member) | 322nd | |
| Isolated primes | 1435th | |
| Long primes | 794th | |
| Primes | 2062nd | |
| Pythagorean primes | 1016th | |
| Sexy primes (1st member) | 637th | |
| Sophie germain primes | 299th | |
| Roman numberals | ||
| Base 2 | 1000110001111012 | 1000110001111102 |
| Base 3 | 2201222223 | 2202000003 |
| Base 4 | 101203314 | 101203324 |
| Base 5 | 10334115 | 10334125 |
| Base 6 | 2151256 | 2151306 |
| Base 7 | 1032657 | 1032667 |
| Base 8 | 430758 | 430768 |
| Base 9 | 265889 | 266009 |
| Base 10 | 1798110 | 1798210 |
| Base 11 | 1256711 | 1256811 |
| Base 12 | a4a512 | a4a612 |
| Base 13 | 825213 | 825313 |
| Base 14 | 67a514 | 67a614 |
| Base 15 | 54db15 | 54dc15 |
| Base 16 | 463d16 | 463e16 |