Compare 17909 vs 19889
| Property | 17909 | 19889 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 179091 | 198891 |
| Prime factorization | 17909 | 19889 |
| Divisors count | 2 | 2 |
| Divisors | 1, 17909 | 1, 19889 |
| Number of properties | 9 | 8 |
| Chen primes | 1020th | 1106th |
| Emirps | 551st | |
| Good primes | 245th | 255th |
| Happy primes | 374th | |
| Harmonic primes | 814th | |
| Long primes | 791st | |
| Primes | 2052nd | 2249th |
| Pythagorean primes | 1011th | 1118th |
| Sexy primes (2nd member) | 634th | |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 312th | 340th |
| Ulam primes | 152nd | |
| Roman numberals | ||
| Base 2 | 1000101111101012 | 1001101101100012 |
| Base 3 | 2201200223 | 10000211223 |
| Base 4 | 101133114 | 103123014 |
| Base 5 | 10331145 | 11140245 |
| Base 6 | 2145256 | 2320256 |
| Base 7 | 1031337 | 1116627 |
| Base 8 | 427658 | 466618 |
| Base 9 | 265089 | 302489 |
| Base 10 | 1790910 | 1988910 |
| Base 11 | 1250111 | 13a4111 |
| Base 12 | a44512 | b61512 |
| Base 13 | 81c813 | 908c13 |
| Base 14 | 675314 | 736914 |
| Base 15 | 548e15 | 5d5e15 |
| Base 16 | 45f516 | 4db116 |