Compare 669947 vs 669989
| Property | 669947 | 669989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6699471 | 6699891 |
| Prime factorization | 669947 | 669989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 669947 | 1, 669989 |
| Number of properties | 6 | 5 |
| Additive primes | 21201st | 21202nd |
| Chen primes | 21225th | 21227th |
| Cousin primes (2nd member) | 5858th | |
| Happy primes | 7696th | |
| Isolated primes | 42586th | 42588th |
| Primes | 54307th | 54309th |
| Safe primes | 3137th | |
| Roman numberals | ||
| Base 2 | 101000111000111110112 | 101000111001001001012 |
| Base 3 | 10210002222123 | 10210010011023 |
| Base 4 | 22032033234 | 22032102114 |
| Base 5 | 1324142425 | 1324144245 |
| Base 6 | 222053356 | 222054456 |
| Base 7 | 54601257 | 54602157 |
| Base 8 | 24343738 | 24344458 |
| Base 9 | 12308859 | 12310429 |
| Base 10 | 66994710 | 66998910 |
| Base 11 | 41838311 | 41841111 |
| Base 12 | 28384b12 | 28388512 |
| Base 13 | 1a5c2513 | 1a5c5813 |
| Base 14 | 13621514 | 13624514 |
| Base 15 | d378215 | d37ae15 |
| Base 16 | a38fb16 | a392516 |