Compare 21001 vs 21031
| Property | 21001 | 21031 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 210011 | 210311 |
| Prime factorization | 21001 | 21031 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21001 | 1, 21031 |
| Number of properties | 5 | 3 |
| Additive primes | 1098th | |
| Chen primes | 1162nd | |
| Harmonic primes | 867th | |
| Isolated primes | 1648th | 1650th |
| Primes | 2361st | 2367th |
| Pythagorean primes | 1173rd | |
| Roman numberals | ||
| Base 2 | 1010010000010012 | 1010010001001112 |
| Base 3 | 10012102113 | 10012112213 |
| Base 4 | 110200214 | 110202134 |
| Base 5 | 11330015 | 11331115 |
| Base 6 | 2411216 | 2412116 |
| Base 7 | 1151417 | 1152137 |
| Base 8 | 510118 | 510478 |
| Base 9 | 317249 | 317579 |
| Base 10 | 2100110 | 2103110 |
| Base 11 | 1486211 | 1488a11 |
| Base 12 | 101a112 | 1020712 |
| Base 13 | 973613 | 975a13 |
| Base 14 | 792114 | 794314 |
| Base 15 | 635115 | 637115 |
| Base 16 | 520916 | 522716 |