Compare 28001 vs 28081
| Property | 28001 | 28081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280011 | 280811 |
| Prime factorization | 28001 | 28081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28001 | 1, 28081 |
| Number of properties | 7 | 7 |
| Additive primes | 1401st | 1403rd |
| Chen primes | 1486th | |
| Cousin primes (2nd member) | 447th | |
| Happy primes | 493rd | |
| Isolated primes | 2165th | 2172nd |
| Primes | 3056th | 3063rd |
| Pythagorean primes | 1523rd | 1526th |
| Sexy primes (1st member) | 905th | |
| Sophie germain primes | 424th | |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101011000012 | 1101101101100012 |
| Base 3 | 11021020023 | 11021120013 |
| Base 4 | 123112014 | 123123014 |
| Base 5 | 13440015 | 13443115 |
| Base 6 | 3333456 | 3340016 |
| Base 7 | 1444317 | 1446047 |
| Base 8 | 665418 | 666618 |
| Base 9 | 423629 | 424619 |
| Base 10 | 2800110 | 2808110 |
| Base 11 | 1a04611 | 1a10911 |
| Base 12 | 1425512 | 1430112 |
| Base 13 | c98c13 | ca2113 |
| Base 14 | a2c114 | a33b14 |
| Base 15 | 846b15 | 84c115 |
| Base 16 | 6d6116 | 6db116 |