Compare 640151 vs 640949
| Property | 640151 | 640949 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6401511 | 6409491 |
| Prime factorization | 640151 | 640949 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640151 | 1, 640949 |
| Number of properties | 5 | 5 |
| Additive primes | 20357th | |
| Chen primes | 20384th | |
| Happy primes | 7414th | 7420th |
| Isolated primes | 40871st | |
| Primes | 52089th | 52146th |
| Sexy primes (2nd member) | 11299th | |
| Sophie germain primes | 5314th | |
| Twin primes (1st member) | 5633rd | |
| Roman numberals | ||
| Base 2 | 100111000100100101112 | 100111000111101101012 |
| Base 3 | 10121120100223 | 10121200122123 |
| Base 4 | 21301021134 | 21301323114 |
| Base 5 | 1304411015 | 1310022445 |
| Base 6 | 214153556 | 214232056 |
| Base 7 | 53042217 | 53064417 |
| Base 8 | 23422278 | 23436658 |
| Base 9 | 11751089 | 11761859 |
| Base 10 | 64015110 | 64094910 |
| Base 11 | 3a7a5611 | 3a861111 |
| Base 12 | 26a55b12 | 26ab0512 |
| Base 13 | 1954b513 | 19597a13 |
| Base 14 | 12941114 | 12982114 |
| Base 15 | c9a1b15 | c9d9e15 |
| Base 16 | 9c49716 | 9c7b516 |