Compare 209939 vs 209942
| Property | 209939 | 209942 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2099391 | 21 × 1049711 |
| Prime factorization | 209939 | 2 × 104971 |
| Divisors count | 2 | 4 |
| Divisors | 1, 209939 | 1, 2, 104971, 209942 |
| Number of properties | 4 | 1 |
| Chen primes | 7853rd | |
| Isolated primes | 14296th | |
| Long primes | 7032nd | |
| Primes | 18801st | |
| Semiprimes | 47352nd | |
| Roman numberals | ||
| Base 2 | 1100110100000100112 | 1100110100000101102 |
| Base 3 | 1011222221123 | 1011222221223 |
| Base 4 | 3031001034 | 3031001124 |
| Base 5 | 232042245 | 232042325 |
| Base 6 | 42555356 | 42555426 |
| Base 7 | 15330327 | 15330357 |
| Base 8 | 6320238 | 6320268 |
| Base 9 | 3488759 | 3488789 |
| Base 10 | 20993910 | 20994210 |
| Base 11 | 13380411 | 13380711 |
| Base 12 | a15ab12 | a15b212 |
| Base 13 | 7473213 | 7473513 |
| Base 14 | 5671914 | 5671c14 |
| Base 15 | 4230e15 | 4231215 |
| Base 16 | 3341316 | 3341616 |