Compare 19891 vs 19973
| Property | 19891 | 19973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198911 | 199731 |
| Prime factorization | 19891 | 19973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19891 | 1, 19973 |
| Number of properties | 4 | 6 |
| Additive primes | 1048th | |
| Emirps | 627th | |
| Harmonic primes | 815th | |
| Isolated primes | 1577th | |
| Palindromic primes | 45th | |
| Primes | 2250th | 2258th |
| Pythagorean primes | 1123rd | |
| Sexy primes (1st member) | 692nd | |
| Twin primes (2nd member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001101101100112 | 1001110000001012 |
| Base 3 | 10000212013 | 10001012023 |
| Base 4 | 103123034 | 103200114 |
| Base 5 | 11140315 | 11143435 |
| Base 6 | 2320316 | 2322456 |
| Base 7 | 1116647 | 1121427 |
| Base 8 | 466638 | 470058 |
| Base 9 | 302519 | 303529 |
| Base 10 | 1989110 | 1997310 |
| Base 11 | 13a4311 | 1400811 |
| Base 12 | b61712 | b68512 |
| Base 13 | 909113 | 912513 |
| Base 14 | 736b14 | 73c914 |
| Base 15 | 5d6115 | 5db815 |
| Base 16 | 4db316 | 4e0516 |