Compare 640993 vs 641387
| Property | 640993 | 641387 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6409931 | 6413871 |
| Prime factorization | 640993 | 641387 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640993 | 1, 641387 |
| Number of properties | 3 | 4 |
| Additive primes | 20381st | 20392nd |
| Isolated primes | 40876th | 40898th |
| Primes | 52151st | 52175th |
| Safe primes | 3023rd | |
| Roman numberals | ||
| Base 2 | 100111000111111000012 | 100111001001011010112 |
| Base 3 | 10121200211113 | 10121202110023 |
| Base 4 | 21301332014 | 21302112234 |
| Base 5 | 1310024335 | 1310110225 |
| Base 6 | 214233216 | 214252156 |
| Base 7 | 53065337 | 53106357 |
| Base 8 | 23437418 | 23445538 |
| Base 9 | 11762449 | 11767329 |
| Base 10 | 64099310 | 64138710 |
| Base 11 | 3a865111 | 3a897a11 |
| Base 12 | 26ab4112 | 26b20b12 |
| Base 13 | 1959b213 | 195c2613 |
| Base 14 | 12985314 | 129a5514 |
| Base 15 | c9dcd15 | ca09215 |
| Base 16 | 9c7e116 | 9c96b16 |