Compare 209018 vs 209021
| Property | 209018 | 209021 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 411 × 25491 | 2090211 |
| Prime factorization | 2 × 41 × 2549 | 209021 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 41, 82, 2549, 5098, 104509, 209018 | 1, 209021 |
| Number of properties | 0 | 6 |
| Chen primes | 7819th | |
| Isolated primes | 14233rd | |
| Long primes | 7007th | |
| Primes | 18720th | |
| Pythagorean primes | 9349th | |
| Sophie germain primes | 2128th | |
| Roman numberals | ||
| Base 2 | 1100110000011110102 | 1100110000011111012 |
| Base 3 | 1011212011023 | 1011212011123 |
| Base 4 | 3030013224 | 3030013314 |
| Base 5 | 231420335 | 231420415 |
| Base 6 | 42514026 | 42514056 |
| Base 7 | 15302457 | 15302517 |
| Base 8 | 6301728 | 6301758 |
| Base 9 | 3476429 | 3476459 |
| Base 10 | 20901810 | 20902110 |
| Base 11 | 13304711 | 13304a11 |
| Base 12 | a0b6212 | a0b6512 |
| Base 13 | 741a413 | 741a713 |
| Base 14 | 5625c14 | 5626114 |
| Base 15 | 41de815 | 41deb15 |
| Base 16 | 3307a16 | 3307d16 |