Compare 16989 vs 16993
| Property | 16989 | 16993 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 8091 | 169931 |
| Prime factorization | 3 × 7 × 809 | 16993 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 809, 2427, 5663, 16989 | 1, 16993 |
| Number of properties | 0 | 8 |
| Happy primes | 335th | |
| Harmonic primes | 712th | |
| Isolated primes | 1367th | |
| Long primes | 758th | |
| Primes | 1960th | |
| Pythagorean primes | 967th | |
| Sexy primes (2nd member) | 611th | |
| Sexy prime triplets (3rd member) | 171st | |
| Roman numberals | ||
| Base 2 | 1000010010111012 | 1000010011000012 |
| Base 3 | 2120220203 | 2120221013 |
| Base 4 | 100211314 | 100212014 |
| Base 5 | 10204245 | 10204335 |
| Base 6 | 2103536 | 2104016 |
| Base 7 | 1003507 | 1003547 |
| Base 8 | 411358 | 411418 |
| Base 9 | 252669 | 252719 |
| Base 10 | 1698910 | 1699310 |
| Base 11 | 1184511 | 1184911 |
| Base 12 | 99b912 | 9a0112 |
| Base 13 | 796b13 | 797213 |
| Base 14 | 629714 | 629b14 |
| Base 15 | 507915 | 507d15 |
| Base 16 | 425d16 | 426116 |