Compare 20921 vs 21067
| Property | 20921 | 21067 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209211 | 210671 |
| Prime factorization | 20921 | 21067 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20921 | 1, 21067 |
| Number of properties | 5 | 4 |
| Harmonic primes | 864th | 871st |
| Isolated primes | 1642nd | 1651st |
| Primes | 2353rd | 2370th |
| Pythagorean primes | 1170th | |
| Sexy primes (2nd member) | 717th | |
| Sophie germain primes | 339th | |
| Roman numberals | ||
| Base 2 | 1010001101110012 | 1010010010010112 |
| Base 3 | 10012002123 | 10012200213 |
| Base 4 | 110123214 | 110210234 |
| Base 5 | 11321415 | 11332325 |
| Base 6 | 2405056 | 2413116 |
| Base 7 | 1146657 | 1152647 |
| Base 8 | 506718 | 511138 |
| Base 9 | 316259 | 318079 |
| Base 10 | 2092110 | 2106710 |
| Base 11 | 1479a11 | 1491211 |
| Base 12 | 1013512 | 1023712 |
| Base 13 | 96a413 | 978713 |
| Base 14 | 78a514 | 796b14 |
| Base 15 | 62eb15 | 639715 |
| Base 16 | 51b916 | 524b16 |