Compare 18979 vs 19181
| Property | 18979 | 19181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189791 | 191811 |
| Prime factorization | 18979 | 19181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18979 | 1, 19181 |
| Number of properties | 5 | 7 |
| Chen primes | 1080th | |
| Emirps | 597th | |
| Harmonic primes | 787th | |
| Isolated primes | 1505th | |
| Long primes | 826th | 830th |
| Lucky primes | 351st | |
| Primes | 2158th | 2175th |
| Pythagorean primes | 1079th | |
| Sexy primes (2nd member) | 660th | |
| Twin primes (1st member) | 330th | |
| Roman numberals | ||
| Base 2 | 1001010001000112 | 1001010111011012 |
| Base 3 | 2220002213 | 2220221023 |
| Base 4 | 102202034 | 102232314 |
| Base 5 | 11014045 | 11032115 |
| Base 6 | 2235116 | 2244456 |
| Base 7 | 1062227 | 1066317 |
| Base 8 | 450438 | 453558 |
| Base 9 | 280279 | 282729 |
| Base 10 | 1897910 | 1918110 |
| Base 11 | 1329411 | 1345811 |
| Base 12 | ab9712 | b12512 |
| Base 13 | 883c13 | 896613 |
| Base 14 | 6cb914 | 6dc114 |
| Base 15 | 595415 | 5a3b15 |
| Base 16 | 4a2316 | 4aed16 |