Compare 638993 vs 639959
| Property | 638993 | 639959 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6389931 | 6399591 |
| Prime factorization | 638993 | 639959 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638993 | 1, 639959 |
| Number of properties | 4 | 6 |
| Additive primes | 20348th | |
| Chen primes | 20375th | |
| Happy primes | 7402nd | 7411th |
| Isolated primes | 40754th | 40811th |
| Primes | 52001st | 52072nd |
| Sexy primes (1st member) | 11268th | |
| Sophie germain primes | 5307th | |
| Roman numberals | ||
| Base 2 | 100111000000000100012 | 100111000011110101112 |
| Base 3 | 10121101121023 | 10121112120123 |
| Base 4 | 21300001014 | 21300331134 |
| Base 5 | 1304214335 | 1304343145 |
| Base 6 | 214101456 | 214144356 |
| Base 7 | 53006457 | 53035257 |
| Base 8 | 23400218 | 23417278 |
| Base 9 | 11734729 | 11747659 |
| Base 10 | 63899310 | 63995910 |
| Base 11 | 3a70a311 | 3a78a111 |
| Base 12 | 26995512 | 26a41b12 |
| Base 13 | 194b0413 | 19539813 |
| Base 14 | 128c2514 | 12931514 |
| Base 15 | c94e815 | c993e15 |
| Base 16 | 9c01116 | 9c3d716 |