Compare 42809 vs 42821
| Property | 42809 | 42821 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 131 × 371 × 891 | 428211 |
| Prime factorization | 13 × 37 × 89 | 42821 |
| Divisors count | 8 | 2 |
| Divisors | 1, 13, 37, 89, 481, 1157, 3293, 42809 | 1, 42821 |
| Number of properties | 0 | 5 |
| Additive primes | 1999th | |
| Isolated primes | 3236th | |
| Primes | 4477th | |
| Pythagorean primes | 2221st | |
| Sophie germain primes | 595th | |
| Roman numberals | ||
| Base 2 | 10100111001110012 | 10100111010001012 |
| Base 3 | 20112011123 | 20112012223 |
| Base 4 | 221303214 | 221310114 |
| Base 5 | 23322145 | 23322415 |
| Base 6 | 5301056 | 5301256 |
| Base 7 | 2355447 | 2355627 |
| Base 8 | 1234718 | 1235058 |
| Base 9 | 646459 | 646589 |
| Base 10 | 4280910 | 4282110 |
| Base 11 | 2a18811 | 2a19911 |
| Base 12 | 2093512 | 2094512 |
| Base 13 | 1664013 | 1664c13 |
| Base 14 | 1185b14 | 1186914 |
| Base 15 | ca3e15 | ca4b15 |
| Base 16 | a73916 | a74516 |