Compare 639937 vs 639997
| Property | 639937 | 639997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399371 | 6399971 |
| Prime factorization | 639937 | 639997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639937 | 1, 639997 |
| Number of properties | 6 | 4 |
| Additive primes | 20347th | 20349th |
| Cousin primes (1st member) | 5631st | |
| Good primes | 1986th | |
| Isolated primes | 40808th | 40813th |
| Lucky primes | 5977th | |
| Primes | 52069th | 52074th |
| Super primes | 5326th | |
| Roman numberals | ||
| Base 2 | 100111000011110000012 | 100111000011111111012 |
| Base 3 | 10121112111013 | 10121112201213 |
| Base 4 | 21300330014 | 21300333314 |
| Base 5 | 1304342225 | 1304344425 |
| Base 6 | 214144016 | 214145416 |
| Base 7 | 53034647 | 53036117 |
| Base 8 | 23417018 | 23417758 |
| Base 9 | 11747419 | 11748179 |
| Base 10 | 63993710 | 63999710 |
| Base 11 | 3a788111 | 3a792611 |
| Base 12 | 26a40112 | 26a45112 |
| Base 13 | 19537c13 | 1953c713 |
| Base 14 | 1292db14 | 12934114 |
| Base 15 | c992715 | c996715 |
| Base 16 | 9c3c116 | 9c3fd16 |