Compare 28081 vs 28513
| Property | 28081 | 28513 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280811 | 285131 |
| Prime factorization | 28081 | 28513 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28081 | 1, 28513 |
| Number of properties | 7 | 9 |
| Additive primes | 1403rd | 1415th |
| Cousin primes (1st member) | 451st | |
| Happy primes | 493rd | 501st |
| Harmonic primes | 1158th | |
| Isolated primes | 2172nd | 2196th |
| Long primes | 1179th | |
| Lucky primes | 483rd | |
| Primes | 3063rd | 3101st |
| Pythagorean primes | 1526th | 1543rd |
| Sexy primes (1st member) | 905th | |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101101100012 | 1101111011000012 |
| Base 3 | 11021120013 | 11100100013 |
| Base 4 | 123123014 | 123312014 |
| Base 5 | 13443115 | 14030235 |
| Base 6 | 3340016 | 3400016 |
| Base 7 | 1446047 | 1460627 |
| Base 8 | 666618 | 675418 |
| Base 9 | 424619 | 431019 |
| Base 10 | 2808110 | 2851310 |
| Base 11 | 1a10911 | 1a47111 |
| Base 12 | 1430112 | 1460112 |
| Base 13 | ca2113 | cc9413 |
| Base 14 | a33b14 | a56914 |
| Base 15 | 84c115 | 86ad15 |
| Base 16 | 6db116 | 6f6116 |