Compare 649001 vs 649005
| Property | 649001 | 649005 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 5 |
| Prime factorization | 6490011 | 31 × 51 × 72 × 8831 |
| Prime factorization | 649001 | 3 × 5 × 7 × 7 × 883 |
| Divisors count | 2 | 24 |
| Divisors | 1, 649001 | 1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 883, 2649, 4415, 6181, 13245, 18543, 30905, 43267, 92715, 129801, 216335, 649005 |
| Number of properties | 5 | 0 |
| Chen primes | 20630th | |
| Cousin primes (2nd member) | 5691st | |
| Isolated primes | 41351st | |
| Primes | 52748th | |
| Sexy primes (1st member) | 11413th | |
| Roman numberals | ||
| Base 2 | 100111100111001010012 | 100111100111001011012 |
| Base 3 | 10122220210023 | 10122220210203 |
| Base 4 | 21321302214 | 21321302314 |
| Base 5 | 1312320015 | 1312320105 |
| Base 6 | 215243456 | 215243536 |
| Base 7 | 53420637 | 53421007 |
| Base 8 | 23634518 | 23634558 |
| Base 9 | 11882329 | 11882369 |
| Base 10 | 64900110 | 64900510 |
| Base 11 | 40367111 | 40367511 |
| Base 12 | 2736b512 | 2736b912 |
| Base 13 | 19953213 | 19953613 |
| Base 14 | 12c73314 | 12c73714 |
| Base 15 | cc46b15 | cc47015 |
| Base 16 | 9e72916 | 9e72d16 |