Compare 42821 vs 42989
| Property | 42821 | 42989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 428211 | 429891 |
| Prime factorization | 42821 | 42989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42821 | 1, 42989 |
| Number of properties | 5 | 7 |
| Additive primes | 1999th | |
| Chen primes | 2105th | |
| Harmonic primes | 1672nd | |
| Isolated primes | 3236th | 3249th |
| Long primes | 1691st | |
| Primes | 4477th | 4494th |
| Pythagorean primes | 2221st | 2230th |
| Sophie germain primes | 595th | |
| Ulam primes | 340th | |
| Roman numberals | ||
| Base 2 | 10100111010001012 | 10100111111011012 |
| Base 3 | 20112012223 | 20112220123 |
| Base 4 | 221310114 | 221332314 |
| Base 5 | 23322415 | 23334245 |
| Base 6 | 5301256 | 5310056 |
| Base 7 | 2355627 | 2362227 |
| Base 8 | 1235058 | 1237558 |
| Base 9 | 646589 | 648659 |
| Base 10 | 4282110 | 4298910 |
| Base 11 | 2a19911 | 2a33111 |
| Base 12 | 2094512 | 20a6512 |
| Base 13 | 1664c13 | 1674b13 |
| Base 14 | 1186914 | 1194914 |
| Base 15 | ca4b15 | cb0e15 |
| Base 16 | a74516 | a7ed16 |