Compare 639601 vs 640261
| Property | 639601 | 640261 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6396011 | 6402611 |
| Prime factorization | 639601 | 640261 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639601 | 1, 640261 |
| Number of properties | 3 | 5 |
| Additive primes | 20363rd | |
| Lucky primes | 5975th | 5980th |
| Primes | 52046th | 52100th |
| Sexy primes (1st member) | 11288th | |
| Twin primes (2nd member) | 5628th | 5636th |
| Roman numberals | ||
| Base 2 | 100111000010011100012 | 100111000101000001012 |
| Base 3 | 10121111002213 | 10121120211013 |
| Base 4 | 21300213014 | 21301100114 |
| Base 5 | 1304314015 | 1304420215 |
| Base 6 | 214130416 | 214201016 |
| Base 7 | 53025047 | 53044367 |
| Base 8 | 23411618 | 23424058 |
| Base 9 | 11743279 | 11752419 |
| Base 10 | 63960110 | 64026110 |
| Base 11 | 3a75a611 | 3a804611 |
| Base 12 | 26a18112 | 26a63112 |
| Base 13 | 19518113 | 19556b13 |
| Base 14 | 12913b14 | 12948d14 |
| Base 15 | c97a115 | c9a9115 |
| Base 16 | 9c27116 | 9c50516 |