Compare 639253 vs 639997
| Property | 639253 | 639997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6392531 | 6399971 |
| Prime factorization | 639253 | 639997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639253 | 1, 639997 |
| Number of properties | 7 | 4 |
| Additive primes | 20349th | |
| Cousin primes (1st member) | 5624th | |
| Good primes | 1979th | |
| Isolated primes | 40769th | 40813th |
| Lucky primes | 5971st | 5977th |
| Primes | 52018th | 52074th |
| Prime triplets (1st member) | 2058th | |
| Sexy primes (1st member) | 11272nd | |
| Roman numberals | ||
| Base 2 | 100111000001000101012 | 100111000011111111012 |
| Base 3 | 10121102200013 | 10121112201213 |
| Base 4 | 21300101114 | 21300333314 |
| Base 5 | 1304240035 | 1304344425 |
| Base 6 | 214113016 | 214145416 |
| Base 7 | 53014667 | 53036117 |
| Base 8 | 23404258 | 23417758 |
| Base 9 | 11738019 | 11748179 |
| Base 10 | 63925310 | 63999710 |
| Base 11 | 3a730a11 | 3a792611 |
| Base 12 | 269b3112 | 26a45112 |
| Base 13 | 194c7413 | 1953c713 |
| Base 14 | 128d6d14 | 12934114 |
| Base 15 | c961d15 | c996715 |
| Base 16 | 9c11516 | 9c3fd16 |