Compare 640307 vs 640317
| Property | 640307 | 640317 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6403071 | 31 × 611 × 34991 |
| Prime factorization | 640307 | 3 × 61 × 3499 |
| Divisors count | 2 | 8 |
| Divisors | 1, 640307 | 1, 3, 61, 183, 3499, 10497, 213439, 640317 |
| Number of properties | 5 | 0 |
| Chen primes | 20390th | |
| Cousin primes (2nd member) | 5634th | |
| Isolated primes | 40833rd | |
| Primes | 52104th | |
| Safe primes | 3019th | |
| Roman numberals | ||
| Base 2 | 100111000101001100112 | 100111000101001111012 |
| Base 3 | 10121121000023 | 10121121001103 |
| Base 4 | 21301103034 | 21301103314 |
| Base 5 | 1304422125 | 1304422325 |
| Base 6 | 214202156 | 214202336 |
| Base 7 | 53045337 | 53045467 |
| Base 8 | 23424638 | 23424758 |
| Base 9 | 11753029 | 11753139 |
| Base 10 | 64030710 | 64031710 |
| Base 11 | 3a808811 | 3a809711 |
| Base 12 | 26a66b12 | 26a67912 |
| Base 13 | 1955a513 | 1955b213 |
| Base 14 | 1294c314 | 1294cd14 |
| Base 15 | c9ac215 | c9acc15 |
| Base 16 | 9c53316 | 9c53d16 |