Compare 642977 vs 642987
| Property | 642977 | 642987 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 6429771 | 32 × 714431 |
| Prime factorization | 642977 | 3 × 3 × 71443 |
| Divisors count | 2 | 6 |
| Divisors | 1, 642977 | 1, 3, 9, 71443, 214329, 642987 |
| Number of properties | 4 | 0 |
| Cousin primes (2nd member) | 5646th | |
| Isolated primes | 40980th | |
| Primes | 52289th | |
| Super primes | 5345th | |
| Roman numberals | ||
| Base 2 | 100111001111101000012 | 100111001111101010112 |
| Base 3 | 10121222222223 | 10122000001003 |
| Base 4 | 21303322014 | 21303322234 |
| Base 5 | 1310334025 | 1310334225 |
| Base 6 | 214404256 | 214404436 |
| Base 7 | 53153667 | 53154127 |
| Base 8 | 23476418 | 23476538 |
| Base 9 | 11788889 | 11800109 |
| Base 10 | 64297710 | 64298710 |
| Base 11 | 3aa09511 | 3aa0a411 |
| Base 12 | 27011512 | 27012312 |
| Base 13 | 19687a13 | 19688713 |
| Base 14 | 12a46d14 | 12a47914 |
| Base 15 | ca7a215 | ca7ac15 |
| Base 16 | 9cfa116 | 9cfab16 |