Compare 640985 vs 640993
| Property | 640985 | 640993 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 171 × 75411 | 6409931 |
| Prime factorization | 5 × 17 × 7541 | 640993 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 17, 85, 7541, 37705, 128197, 640985 | 1, 640993 |
| Number of properties | 0 | 3 |
| Additive primes | 20381st | |
| Isolated primes | 40876th | |
| Primes | 52151st | |
| Roman numberals | ||
| Base 2 | 100111000111110110012 | 100111000111111000012 |
| Base 3 | 10121200210123 | 10121200211113 |
| Base 4 | 21301331214 | 21301332014 |
| Base 5 | 1310024205 | 1310024335 |
| Base 6 | 214233056 | 214233216 |
| Base 7 | 53065227 | 53065337 |
| Base 8 | 23437318 | 23437418 |
| Base 9 | 11762359 | 11762449 |
| Base 10 | 64098510 | 64099310 |
| Base 11 | 3a864411 | 3a865111 |
| Base 12 | 26ab3512 | 26ab4112 |
| Base 13 | 1959a713 | 1959b213 |
| Base 14 | 12984914 | 12985314 |
| Base 15 | c9dc515 | c9dcd15 |
| Base 16 | 9c7d916 | 9c7e116 |