Compare 669989 vs 669993
| Property | 669989 | 669993 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6699891 | 31 × 2233311 |
| Prime factorization | 669989 | 3 × 223331 |
| Divisors count | 2 | 4 |
| Divisors | 1, 669989 | 1, 3, 223331, 669993 |
| Number of properties | 5 | 1 |
| Additive primes | 21202nd | |
| Chen primes | 21227th | |
| Happy primes | 7696th | |
| Isolated primes | 42588th | |
| Primes | 54309th | |
| Semiprimes | 143293rd | |
| Roman numberals | ||
| Base 2 | 101000111001001001012 | 101000111001001010012 |
| Base 3 | 10210010011023 | 10210010011203 |
| Base 4 | 22032102114 | 22032102214 |
| Base 5 | 1324144245 | 1324144335 |
| Base 6 | 222054456 | 222054536 |
| Base 7 | 54602157 | 54602227 |
| Base 8 | 24344458 | 24344518 |
| Base 9 | 12310429 | 12310469 |
| Base 10 | 66998910 | 66999310 |
| Base 11 | 41841111 | 41841511 |
| Base 12 | 28388512 | 28388912 |
| Base 13 | 1a5c5813 | 1a5c5c13 |
| Base 14 | 13624514 | 13624914 |
| Base 15 | d37ae15 | d37b315 |
| Base 16 | a392516 | a392916 |