Compare 642157 vs 642168
| Property | 642157 | 642168 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 8 |
| Prime factorization | 6421571 | 23 × 34 × 9911 |
| Prime factorization | 642157 | 2 × 2 × 2 × 3 × 3 × 3 × 3 × 991 |
| Divisors count | 2 | 40 |
| Divisors | 1, 642157 | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 991, 1982, 2973, 3964, 5946, 7928, 8919, 11892, 17838, 23784, 26757, 35676, 53514, 71352, 80271, 107028, 160542, 214056, 321084, 642168 |
| Number of properties | 5 | 0 |
| Isolated primes | 40937th | |
| Primes | 52234th | |
| Sexy primes (1st member) | 11317th | |
| Sexy primes (2nd member) | 11316th | |
| Sexy prime triplets (2nd member) | 2075th | |
| Roman numberals | ||
| Base 2 | 100111001100011011012 | 100111001100011110002 |
| Base 3 | 10121212121213 | 10121212200003 |
| Base 4 | 21303012314 | 21303013204 |
| Base 5 | 1310221125 | 1310221335 |
| Base 6 | 214325416 | 214330006 |
| Base 7 | 53131157 | 53131327 |
| Base 8 | 23461558 | 23461708 |
| Base 9 | 11777779 | 11778009 |
| Base 10 | 64215710 | 64216810 |
| Base 11 | 3a950a11 | 3a951a11 |
| Base 12 | 26b75112 | 26b76012 |
| Base 13 | 19639913 | 1963a713 |
| Base 14 | 12a04514 | 12a05214 |
| Base 15 | ca40715 | ca41315 |
| Base 16 | 9cc6d16 | 9cc7816 |