Compare 209939 vs 210209
| Property | 209939 | 210209 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2099391 | 2102091 |
| Prime factorization | 209939 | 210209 |
| Divisors count | 2 | 2 |
| Divisors | 1, 209939 | 1, 210209 |
| Number of properties | 4 | 5 |
| Chen primes | 7853rd | 7858th |
| Isolated primes | 14296th | 14321st |
| Long primes | 7032nd | |
| Primes | 18801st | 18828th |
| Pythagorean primes | 9403rd | |
| Sophie germain primes | 2140th | |
| Roman numberals | ||
| Base 2 | 1100110100000100112 | 1100110101001000012 |
| Base 3 | 1011222221123 | 1012001001123 |
| Base 4 | 3031001034 | 3031102014 |
| Base 5 | 232042245 | 232113145 |
| Base 6 | 42555356 | 43011056 |
| Base 7 | 15330327 | 15335667 |
| Base 8 | 6320238 | 6324418 |
| Base 9 | 3488759 | 3503159 |
| Base 10 | 20993910 | 21020910 |
| Base 11 | 13380411 | 133a2a11 |
| Base 12 | a15ab12 | a179512 |
| Base 13 | 7473213 | 748ac13 |
| Base 14 | 5671914 | 5686d14 |
| Base 15 | 4230e15 | 4243e15 |
| Base 16 | 3341316 | 3352116 |