Compare 640993 vs 641057
| Property | 640993 | 641057 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6409931 | 6410571 |
| Prime factorization | 640993 | 641057 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640993 | 1, 641057 |
| Number of properties | 3 | 6 |
| Additive primes | 20381st | 20383rd |
| Chen primes | 20407th | |
| Isolated primes | 40876th | 40878th |
| Primes | 52151st | 52153rd |
| Sexy primes (2nd member) | 11302nd | |
| Super primes | 5332nd | |
| Roman numberals | ||
| Base 2 | 100111000111111000012 | 100111001000001000012 |
| Base 3 | 10121200211113 | 10121201002123 |
| Base 4 | 21301332014 | 21302002014 |
| Base 5 | 1310024335 | 1310032125 |
| Base 6 | 214233216 | 214235056 |
| Base 7 | 53065337 | 53066547 |
| Base 8 | 23437418 | 23440418 |
| Base 9 | 11762449 | 11763259 |
| Base 10 | 64099310 | 64105710 |
| Base 11 | 3a865111 | 3a86aa11 |
| Base 12 | 26ab4112 | 26ab9512 |
| Base 13 | 1959b213 | 195a3113 |
| Base 14 | 12985314 | 12989b14 |
| Base 15 | c9dcd15 | c9e2215 |
| Base 16 | 9c7e116 | 9c82116 |