Compare 20921 vs 21059
| Property | 20921 | 21059 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209211 | 210591 |
| Prime factorization | 20921 | 21059 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20921 | 1, 21059 |
| Number of properties | 5 | 7 |
| Additive primes | 1099th | |
| Chen primes | 1165th | |
| Harmonic primes | 864th | 870th |
| Isolated primes | 1642nd | |
| Long primes | 901st | |
| Primes | 2353rd | 2368th |
| Pythagorean primes | 1170th | |
| Safe primes | 198th | |
| Sophie germain primes | 339th | |
| Twin primes (1st member) | 360th | |
| Roman numberals | ||
| Base 2 | 1010001101110012 | 1010010010000112 |
| Base 3 | 10012002123 | 10012122223 |
| Base 4 | 110123214 | 110210034 |
| Base 5 | 11321415 | 11332145 |
| Base 6 | 2405056 | 2412556 |
| Base 7 | 1146657 | 1152537 |
| Base 8 | 506718 | 511038 |
| Base 9 | 316259 | 317889 |
| Base 10 | 2092110 | 2105910 |
| Base 11 | 1479a11 | 1490511 |
| Base 12 | 1013512 | 1022b12 |
| Base 13 | 96a413 | 977c13 |
| Base 14 | 78a514 | 796314 |
| Base 15 | 62eb15 | 638e15 |
| Base 16 | 51b916 | 524316 |