Compare 208993 vs 209021
| Property | 208993 | 209021 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2089931 | 2090211 |
| Prime factorization | 208993 | 209021 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208993 | 1, 209021 |
| Number of properties | 8 | 6 |
| Additive primes | 7552nd | |
| Chen primes | 7819th | |
| Cousin primes (1st member) | 2218th | |
| Happy primes | 2849th | |
| Isolated primes | 14233rd | |
| Long primes | 7006th | 7007th |
| Primes | 18718th | 18720th |
| Prime triplets (2nd member) | 871st | |
| Pythagorean primes | 9347th | 9349th |
| Sophie germain primes | 2128th | |
| Twin primes (2nd member) | 2244th | |
| Roman numberals | ||
| Base 2 | 1100110000011000012 | 1100110000011111012 |
| Base 3 | 1011212001113 | 1011212011123 |
| Base 4 | 3030012014 | 3030013314 |
| Base 5 | 231414335 | 231420415 |
| Base 6 | 42513216 | 42514056 |
| Base 7 | 15302117 | 15302517 |
| Base 8 | 6301418 | 6301758 |
| Base 9 | 3476149 | 3476459 |
| Base 10 | 20899310 | 20902110 |
| Base 11 | 13302411 | 13304a11 |
| Base 12 | a0b4112 | a0b6512 |
| Base 13 | 7418513 | 741a713 |
| Base 14 | 5624114 | 5626114 |
| Base 15 | 41dcd15 | 41deb15 |
| Base 16 | 3306116 | 3307d16 |