Compare 639997 vs 640027
| Property | 639997 | 640027 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399971 | 6400271 |
| Prime factorization | 639997 | 640027 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639997 | 1, 640027 |
| Number of properties | 4 | 3 |
| Additive primes | 20349th | 20352nd |
| Isolated primes | 40813th | 40815th |
| Lucky primes | 5977th | |
| Primes | 52074th | 52078th |
| Roman numberals | ||
| Base 2 | 100111000011111111012 | 100111000100000110112 |
| Base 3 | 10121112201213 | 10121112212013 |
| Base 4 | 21300333314 | 21301001234 |
| Base 5 | 1304344425 | 1304401025 |
| Base 6 | 214145416 | 214150316 |
| Base 7 | 53036117 | 53036537 |
| Base 8 | 23417758 | 23420338 |
| Base 9 | 11748179 | 11748519 |
| Base 10 | 63999710 | 64002710 |
| Base 11 | 3a792611 | 3a795311 |
| Base 12 | 26a45112 | 26a47712 |
| Base 13 | 1953c713 | 19541b13 |
| Base 14 | 12934114 | 12936314 |
| Base 15 | c996715 | c998715 |
| Base 16 | 9c3fd16 | 9c41b16 |