Compare 20921 vs 21107
| Property | 20921 | 21107 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209211 | 211071 |
| Prime factorization | 20921 | 21107 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20921 | 1, 21107 |
| Number of properties | 5 | 5 |
| Additive primes | 1101st | |
| Harmonic primes | 864th | 872nd |
| Isolated primes | 1642nd | 1654th |
| Primes | 2353rd | 2373rd |
| Pythagorean primes | 1170th | |
| Sexy primes (2nd member) | 718th | |
| Sophie germain primes | 339th | |
| Roman numberals | ||
| Base 2 | 1010001101110012 | 1010010011100112 |
| Base 3 | 10012002123 | 10012212023 |
| Base 4 | 110123214 | 110213034 |
| Base 5 | 11321415 | 11334125 |
| Base 6 | 2405056 | 2414156 |
| Base 7 | 1146657 | 1153527 |
| Base 8 | 506718 | 511638 |
| Base 9 | 316259 | 318529 |
| Base 10 | 2092110 | 2110710 |
| Base 11 | 1479a11 | 1494911 |
| Base 12 | 1013512 | 1026b12 |
| Base 13 | 96a413 | 97b813 |
| Base 14 | 78a514 | 799914 |
| Base 15 | 62eb15 | 63c215 |
| Base 16 | 51b916 | 527316 |