Compare 20921 vs 21701
| Property | 20921 | 21701 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209211 | 217011 |
| Prime factorization | 20921 | 21701 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20921 | 1, 21701 |
| Number of properties | 5 | 8 |
| Additive primes | 1129th | |
| Chen primes | 1195th | |
| Harmonic primes | 864th | 895th |
| Isolated primes | 1642nd | 1696th |
| Long primes | 920th | |
| Primes | 2353rd | 2435th |
| Pythagorean primes | 1170th | 1209th |
| Sophie germain primes | 339th | 351st |
| Roman numberals | ||
| Base 2 | 1010001101110012 | 1010100110001012 |
| Base 3 | 10012002123 | 10022022023 |
| Base 4 | 110123214 | 111030114 |
| Base 5 | 11321415 | 11433015 |
| Base 6 | 2405056 | 2442456 |
| Base 7 | 1146657 | 1201617 |
| Base 8 | 506718 | 523058 |
| Base 9 | 316259 | 326829 |
| Base 10 | 2092110 | 2170110 |
| Base 11 | 1479a11 | 1533911 |
| Base 12 | 1013512 | 1068512 |
| Base 13 | 96a413 | 9b5413 |
| Base 14 | 78a514 | 7ca114 |
| Base 15 | 62eb15 | 666b15 |
| Base 16 | 51b916 | 54c516 |