Compare 640007 vs 641701
| Property | 640007 | 641701 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6400071 | 6417011 |
| Prime factorization | 640007 | 641701 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640007 | 1, 641701 |
| Number of properties | 5 | 6 |
| Additive primes | 20350th | 20402nd |
| Chen primes | 20377th | 20421st |
| Happy primes | 7431st | |
| Isolated primes | 40912th | |
| Primes | 52075th | 52197th |
| Twin primes (1st member) | 5632nd | |
| Ulam primes | 3817th | 3826th |
| Roman numberals | ||
| Base 2 | 100111000100000001112 | 100111001010101001012 |
| Base 3 | 10121112202223 | 10121210202013 |
| Base 4 | 21301000134 | 21302222114 |
| Base 5 | 1304400125 | 1310133015 |
| Base 6 | 214145556 | 214305016 |
| Base 7 | 53036247 | 53115647 |
| Base 8 | 23420078 | 23452458 |
| Base 9 | 11748289 | 11772219 |
| Base 10 | 64000710 | 64170110 |
| Base 11 | 3a793511 | 3a913511 |
| Base 12 | 26a45b12 | 26b43112 |
| Base 13 | 19540413 | 19610813 |
| Base 14 | 12934b14 | 129bdb14 |
| Base 15 | c997215 | ca20115 |
| Base 16 | 9c40716 | 9caa516 |