Compare 209939 vs 210421
| Property | 209939 | 210421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2099391 | 2104211 |
| Prime factorization | 209939 | 210421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 209939 | 1, 210421 |
| Number of properties | 4 | 5 |
| Chen primes | 7853rd | 7865th |
| Isolated primes | 14296th | 14335th |
| Long primes | 7032nd | 7049th |
| Primes | 18801st | 18848th |
| Pythagorean primes | 9412th | |
| Roman numberals | ||
| Base 2 | 1100110100000100112 | 1100110101111101012 |
| Base 3 | 1011222221123 | 1012001221013 |
| Base 4 | 3031001034 | 3031133114 |
| Base 5 | 232042245 | 232131415 |
| Base 6 | 42555356 | 43021016 |
| Base 7 | 15330327 | 15343217 |
| Base 8 | 6320238 | 6327658 |
| Base 9 | 3488759 | 3505719 |
| Base 10 | 20993910 | 21042110 |
| Base 11 | 13380411 | 13410211 |
| Base 12 | a15ab12 | a193112 |
| Base 13 | 7473213 | 74a1313 |
| Base 14 | 5671914 | 5698114 |
| Base 15 | 4230e15 | 4253115 |
| Base 16 | 3341316 | 335f516 |