Compare 19889 vs 20051
| Property | 19889 | 20051 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198891 | 200511 |
| Prime factorization | 19889 | 20051 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19889 | 1, 20051 |
| Number of properties | 8 | 6 |
| Chen primes | 1106th | 1114th |
| Cousin primes (2nd member) | 345th | |
| Good primes | 255th | |
| Happy primes | 374th | |
| Harmonic primes | 814th | 823rd |
| Isolated primes | 1583rd | |
| Long primes | 867th | |
| Primes | 2249th | 2268th |
| Pythagorean primes | 1118th | |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001101101100012 | 1001110010100112 |
| Base 3 | 10000211223 | 10001111223 |
| Base 4 | 103123014 | 103211034 |
| Base 5 | 11140245 | 11202015 |
| Base 6 | 2320256 | 2324556 |
| Base 7 | 1116627 | 1123137 |
| Base 8 | 466618 | 471238 |
| Base 9 | 302489 | 304489 |
| Base 10 | 1988910 | 2005110 |
| Base 11 | 13a4111 | 1407911 |
| Base 12 | b61512 | b72b12 |
| Base 13 | 908c13 | 918513 |
| Base 14 | 736914 | 744314 |
| Base 15 | 5d5e15 | 5e1b15 |
| Base 16 | 4db116 | 4e5316 |