Compare 16981 vs 16993
| Property | 16981 | 16993 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 169811 | 169931 |
| Prime factorization | 16981 | 16993 |
| Divisors count | 2 | 2 |
| Divisors | 1, 16981 | 1, 16993 |
| Number of properties | 7 | 8 |
| Happy primes | 335th | |
| Harmonic primes | 712th | |
| Isolated primes | 1367th | |
| Long primes | 757th | 758th |
| Lucky primes | 319th | |
| Primes | 1958th | 1960th |
| Pythagorean primes | 966th | 967th |
| Sexy primes (1st member) | 610th | |
| Sexy primes (2nd member) | 611th | |
| Sexy prime triplets (1st member) | 171st | |
| Sexy prime triplets (3rd member) | 171st | |
| Twin primes (2nd member) | 297th | |
| Roman numberals | ||
| Base 2 | 1000010010101012 | 1000010011000012 |
| Base 3 | 2120212213 | 2120221013 |
| Base 4 | 100211114 | 100212014 |
| Base 5 | 10204115 | 10204335 |
| Base 6 | 2103416 | 2104016 |
| Base 7 | 1003367 | 1003547 |
| Base 8 | 411258 | 411418 |
| Base 9 | 252579 | 252719 |
| Base 10 | 1698110 | 1699310 |
| Base 11 | 1183811 | 1184911 |
| Base 12 | 99b112 | 9a0112 |
| Base 13 | 796313 | 797213 |
| Base 14 | 628d14 | 629b14 |
| Base 15 | 507115 | 507d15 |
| Base 16 | 425516 | 426116 |