Compare 20749 vs 20921
| Property | 20749 | 20921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207491 | 209211 |
| Prime factorization | 20749 | 20921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20749 | 1, 20921 |
| Number of properties | 8 | 5 |
| Chen primes | 1150th | |
| Cousin primes (1st member) | 355th | |
| Harmonic primes | 864th | |
| Isolated primes | 1642nd | |
| Primes | 2337th | 2353rd |
| Prime triplets (2nd member) | 173rd | |
| Prime triplets (3rd member) | 172nd | |
| Pythagorean primes | 1161st | 1170th |
| Sexy primes (2nd member) | 709th | |
| Sophie germain primes | 339th | |
| Twin primes (2nd member) | 353rd | |
| Roman numberals | ||
| Base 2 | 1010001000011012 | 1010001101110012 |
| Base 3 | 10011101113 | 10012002123 |
| Base 4 | 110100314 | 110123214 |
| Base 5 | 11304445 | 11321415 |
| Base 6 | 2400216 | 2405056 |
| Base 7 | 1143317 | 1146657 |
| Base 8 | 504158 | 506718 |
| Base 9 | 314149 | 316259 |
| Base 10 | 2074910 | 2092110 |
| Base 11 | 1465311 | 1479a11 |
| Base 12 | 1001112 | 1013512 |
| Base 13 | 95a113 | 96a413 |
| Base 14 | 77c114 | 78a514 |
| Base 15 | 623415 | 62eb15 |
| Base 16 | 510d16 | 51b916 |