Compare 642147 vs 642157
| Property | 642147 | 642157 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 31 × 112 × 291 × 611 | 6421571 |
| Prime factorization | 3 × 11 × 11 × 29 × 61 | 642157 |
| Divisors count | 24 | 2 |
| Divisors | 1, 3, 11, 29, 33, 61, 87, 121, 183, 319, 363, 671, 957, 1769, 2013, 3509, 5307, 7381, 10527, 19459, 22143, 58377, 214049, 642147 | 1, 642157 |
| Number of properties | 0 | 5 |
| 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 | 100111001100011000112 | 100111001100011011012 |
| Base 3 | 10121212120203 | 10121212121213 |
| Base 4 | 21303012034 | 21303012314 |
| Base 5 | 1310220425 | 1310221125 |
| Base 6 | 214325236 | 214325416 |
| Base 7 | 53131027 | 53131157 |
| Base 8 | 23461438 | 23461558 |
| Base 9 | 11777669 | 11777779 |
| Base 10 | 64214710 | 64215710 |
| Base 11 | 3a950011 | 3a950a11 |
| Base 12 | 26b74312 | 26b75112 |
| Base 13 | 19638c13 | 19639913 |
| Base 14 | 12a03914 | 12a04514 |
| Base 15 | ca3ec15 | ca40715 |
| Base 16 | 9cc6316 | 9cc6d16 |