Compare 639937 vs 642869
| Property | 639937 | 642869 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399371 | 6428691 |
| Prime factorization | 639937 | 642869 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639937 | 1, 642869 |
| Number of properties | 6 | 4 |
| Additive primes | 20347th | |
| Chen primes | 20449th | |
| Cousin primes (1st member) | 5631st | |
| Good primes | 1986th | 1992nd |
| Isolated primes | 40808th | |
| Primes | 52069th | 52278th |
| Super primes | 5326th | |
| Twin primes (1st member) | 5655th | |
| Roman numberals | ||
| Base 2 | 100111000011110000012 | 100111001111001101012 |
| Base 3 | 10121112111013 | 10121222112223 |
| Base 4 | 21300330014 | 21303303114 |
| Base 5 | 1304342225 | 1310324345 |
| Base 6 | 214144016 | 214401256 |
| Base 7 | 53034647 | 53151537 |
| Base 8 | 23417018 | 23474658 |
| Base 9 | 11747419 | 11787589 |
| Base 10 | 63993710 | 64286910 |
| Base 11 | 3a788111 | 3a9aa711 |
| Base 12 | 26a40112 | 27004512 |
| Base 13 | 19537c13 | 1967c613 |
| Base 14 | 1292db14 | 12a3d314 |
| Base 15 | c992715 | ca72e15 |
| Base 16 | 9c3c116 | 9cf3516 |