Compare 640151 vs 641549
| Property | 640151 | 641549 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6401511 | 6415491 |
| Prime factorization | 640151 | 641549 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640151 | 1, 641549 |
| Number of properties | 5 | 6 |
| Additive primes | 20357th | 20399th |
| Chen primes | 20384th | 20418th |
| Happy primes | 7414th | |
| Primes | 52089th | 52189th |
| Sophie germain primes | 5320th | |
| Super primes | 5337th | |
| Twin primes (1st member) | 5633rd | 5642nd |
| Roman numberals | ||
| Base 2 | 100111000100100101112 | 100111001010000011012 |
| Base 3 | 10121120100223 | 10121210010023 |
| Base 4 | 21301021134 | 21302200314 |
| Base 5 | 1304411015 | 1310121445 |
| Base 6 | 214153556 | 214300456 |
| Base 7 | 53042217 | 53112567 |
| Base 8 | 23422278 | 23450158 |
| Base 9 | 11751089 | 11770329 |
| Base 10 | 64015110 | 64154910 |
| Base 11 | 3a7a5611 | 3a900711 |
| Base 12 | 26a55b12 | 26b32512 |
| Base 13 | 1954b513 | 19601c13 |
| Base 14 | 12941114 | 129b2d14 |
| Base 15 | c9a1b15 | ca14e15 |
| Base 16 | 9c49716 | 9ca0d16 |