Compare 19181 vs 19961
| Property | 19181 | 19961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 191811 | 199611 |
| Prime factorization | 19181 | 19961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19181 | 1, 19961 |
| Number of properties | 7 | 5 |
| Chen primes | 1080th | 1110th |
| Emirps | 597th | |
| Good primes | 257th | |
| Harmonic primes | 787th | |
| Long primes | 830th | |
| Primes | 2175th | 2256th |
| Pythagorean primes | 1079th | 1122nd |
| Twin primes (1st member) | 330th | 341st |
| Roman numberals | ||
| Base 2 | 1001010111011012 | 1001101111110012 |
| Base 3 | 2220221023 | 10001010223 |
| Base 4 | 102232314 | 103133214 |
| Base 5 | 11032115 | 11143215 |
| Base 6 | 2244456 | 2322256 |
| Base 7 | 1066317 | 1121247 |
| Base 8 | 453558 | 467718 |
| Base 9 | 282729 | 303389 |
| Base 10 | 1918110 | 1996110 |
| Base 11 | 1345811 | 13aa711 |
| Base 12 | b12512 | b67512 |
| Base 13 | 896613 | 911613 |
| Base 14 | 6dc114 | 73bb14 |
| Base 15 | 5a3b15 | 5dab15 |
| Base 16 | 4aed16 | 4df916 |