Compare 669983 vs 669989
| Property | 669983 | 669989 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 431 × 155811 | 6699891 |
| Prime factorization | 43 × 15581 | 669989 |
| Divisors count | 4 | 2 |
| Divisors | 1, 43, 15581, 669983 | 1, 669989 |
| Number of properties | 1 | 5 |
| Additive primes | 21202nd | |
| Chen primes | 21227th | |
| Happy primes | 7696th | |
| Isolated primes | 42588th | |
| Primes | 54309th | |
| Semiprimes | 143290th | |
| Roman numberals | ||
| Base 2 | 101000111001000111112 | 101000111001001001012 |
| Base 3 | 10210010010123 | 10210010011023 |
| Base 4 | 22032101334 | 22032102114 |
| Base 5 | 1324144135 | 1324144245 |
| Base 6 | 222054356 | 222054456 |
| Base 7 | 54602067 | 54602157 |
| Base 8 | 24344378 | 24344458 |
| Base 9 | 12310359 | 12310429 |
| Base 10 | 66998310 | 66998910 |
| Base 11 | 41840611 | 41841111 |
| Base 12 | 28387b12 | 28388512 |
| Base 13 | 1a5c5213 | 1a5c5813 |
| Base 14 | 13623d14 | 13624514 |
| Base 15 | d37a815 | d37ae15 |
| Base 16 | a391f16 | a392516 |