Compare 28019 vs 28081
| Property | 28019 | 28081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280191 | 280811 |
| Prime factorization | 28019 | 28081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28019 | 1, 28081 |
| Number of properties | 6 | 7 |
| Additive primes | 1403rd | |
| Chen primes | 1487th | |
| Happy primes | 493rd | |
| Isolated primes | 2166th | 2172nd |
| Long primes | 1164th | |
| Primes | 3057th | 3063rd |
| Pythagorean primes | 1526th | |
| Safe primes | 249th | |
| Sexy primes (1st member) | 905th | |
| Sophie germain primes | 425th | |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101011100112 | 1101101101100012 |
| Base 3 | 11021022023 | 11021120013 |
| Base 4 | 123113034 | 123123014 |
| Base 5 | 13440345 | 13443115 |
| Base 6 | 3334156 | 3340016 |
| Base 7 | 1444557 | 1446047 |
| Base 8 | 665638 | 666618 |
| Base 9 | 423829 | 424619 |
| Base 10 | 2801910 | 2808110 |
| Base 11 | 1a06211 | 1a10911 |
| Base 12 | 1426b12 | 1430112 |
| Base 13 | c9a413 | ca2113 |
| Base 14 | a2d514 | a33b14 |
| Base 15 | 847e15 | 84c115 |
| Base 16 | 6d7316 | 6db116 |