Compare 20921 vs 20959
| Property | 20921 | 20959 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209211 | 209591 |
| Prime factorization | 20921 | 20959 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20921 | 1, 20959 |
| Number of properties | 5 | 5 |
| Cousin primes (1st member) | 357th | |
| Harmonic primes | 864th | |
| Isolated primes | 1642nd | 1646th |
| Lucky primes | 383rd | |
| Primes | 2353rd | 2357th |
| Pythagorean primes | 1170th | |
| Sophie germain primes | 339th | |
| Super primes | 350th | |
| Roman numberals | ||
| Base 2 | 1010001101110012 | 1010001110111112 |
| Base 3 | 10012002123 | 10012020213 |
| Base 4 | 110123214 | 110131334 |
| Base 5 | 11321415 | 11323145 |
| Base 6 | 2405056 | 2410116 |
| Base 7 | 1146657 | 1150517 |
| Base 8 | 506718 | 507378 |
| Base 9 | 316259 | 316679 |
| Base 10 | 2092110 | 2095910 |
| Base 11 | 1479a11 | 1482411 |
| Base 12 | 1013512 | 1016712 |
| Base 13 | 96a413 | 970313 |
| Base 14 | 78a514 | 78d114 |
| Base 15 | 62eb15 | 632415 |
| Base 16 | 51b916 | 51df16 |