Compare 19181 vs 19889
| Property | 19181 | 19889 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 191811 | 198891 |
| Prime factorization | 19181 | 19889 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19181 | 1, 19889 |
| Number of properties | 7 | 8 |
| Chen primes | 1080th | 1106th |
| Emirps | 597th | |
| Good primes | 255th | |
| Happy primes | 374th | |
| Harmonic primes | 787th | 814th |
| Long primes | 830th | |
| Primes | 2175th | 2249th |
| Pythagorean primes | 1079th | 1118th |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 330th | 340th |
| Roman numberals | ||
| Base 2 | 1001010111011012 | 1001101101100012 |
| Base 3 | 2220221023 | 10000211223 |
| Base 4 | 102232314 | 103123014 |
| Base 5 | 11032115 | 11140245 |
| Base 6 | 2244456 | 2320256 |
| Base 7 | 1066317 | 1116627 |
| Base 8 | 453558 | 466618 |
| Base 9 | 282729 | 302489 |
| Base 10 | 1918110 | 1988910 |
| Base 11 | 1345811 | 13a4111 |
| Base 12 | b12512 | b61512 |
| Base 13 | 896613 | 908c13 |
| Base 14 | 6dc114 | 736914 |
| Base 15 | 5a3b15 | 5d5e15 |
| Base 16 | 4aed16 | 4db116 |