Compare 638689 vs 639137
| Property | 638689 | 639137 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6386891 | 6391371 |
| Prime factorization | 638689 | 639137 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638689 | 1, 639137 |
| Number of properties | 3 | 5 |
| Additive primes | 20328th | |
| Chen primes | 20341st | 20351st |
| Isolated primes | 40740th | 40763rd |
| Primes | 51985th | 52010th |
| Sexy primes (1st member) | 11270th | |
| Roman numberals | ||
| Base 2 | 100110111110111000012 | 100111000000101000012 |
| Base 3 | 10121100100113 | 10121102012023 |
| Base 4 | 21233232014 | 21300022014 |
| Base 5 | 1304142245 | 1304230225 |
| Base 6 | 214045216 | 214105456 |
| Base 7 | 53000327 | 53012427 |
| Base 8 | 23373418 | 23402418 |
| Base 9 | 11731049 | 11736529 |
| Base 10 | 63868910 | 63913710 |
| Base 11 | 3a694711 | 3a721411 |
| Base 12 | 26974112 | 269a5512 |
| Base 13 | 19492c13 | 194bb513 |
| Base 14 | 128a8914 | 128cc914 |
| Base 15 | c939415 | c959215 |
| Base 16 | 9bee116 | 9c0a116 |