Compare 20887 vs 21001
| Property | 20887 | 21001 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208871 | 210011 |
| Prime factorization | 20887 | 21001 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20887 | 1, 21001 |
| Number of properties | 3 | 5 |
| Chen primes | 1162nd | |
| Harmonic primes | 867th | |
| Isolated primes | 1640th | 1648th |
| Lucky primes | 381st | |
| Primes | 2349th | 2361st |
| Pythagorean primes | 1173rd | |
| Roman numberals | ||
| Base 2 | 1010001100101112 | 1010010000010012 |
| Base 3 | 10011221213 | 10012102113 |
| Base 4 | 110121134 | 110200214 |
| Base 5 | 11320225 | 11330015 |
| Base 6 | 2404116 | 2411216 |
| Base 7 | 1146167 | 1151417 |
| Base 8 | 506278 | 510118 |
| Base 9 | 315779 | 317249 |
| Base 10 | 2088710 | 2100110 |
| Base 11 | 1476911 | 1486211 |
| Base 12 | 1010712 | 101a112 |
| Base 13 | 967913 | 973613 |
| Base 14 | 787d14 | 792114 |
| Base 15 | 62c715 | 635115 |
| Base 16 | 519716 | 520916 |