Compare 669985 vs 669989
| Property | 669985 | 669989 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 471 × 28511 | 6699891 |
| Prime factorization | 5 × 47 × 2851 | 669989 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 47, 235, 2851, 14255, 133997, 669985 | 1, 669989 |
| Number of properties | 0 | 5 |
| Additive primes | 21202nd | |
| Chen primes | 21227th | |
| Happy primes | 7696th | |
| Isolated primes | 42588th | |
| Primes | 54309th | |
| Roman numberals | ||
| Base 2 | 101000111001001000012 | 101000111001001001012 |
| Base 3 | 10210010010213 | 10210010011023 |
| Base 4 | 22032102014 | 22032102114 |
| Base 5 | 1324144205 | 1324144245 |
| Base 6 | 222054416 | 222054456 |
| Base 7 | 54602117 | 54602157 |
| Base 8 | 24344418 | 24344458 |
| Base 9 | 12310379 | 12310429 |
| Base 10 | 66998510 | 66998910 |
| Base 11 | 41840811 | 41841111 |
| Base 12 | 28388112 | 28388512 |
| Base 13 | 1a5c5413 | 1a5c5813 |
| Base 14 | 13624114 | 13624514 |
| Base 15 | d37aa15 | d37ae15 |
| Base 16 | a392116 | a392516 |