Compare 28813 vs 28814
| Property | 28813 | 28814 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 288131 | 21 × 144071 |
| Prime factorization | 28813 | 2 × 14407 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28813 | 1, 2, 14407, 28814 |
| Number of properties | 6 | 1 |
| Cousin primes (1st member) | 457th | |
| Cuban primes 2 | 19th | |
| Isolated primes | 2223rd | |
| Primes | 3138th | |
| Pythagorean primes | 1560th | |
| Semiprimes | 7166th | |
| Sexy primes (2nd member) | 923rd | |
| Roman numberals | ||
| Base 2 | 1110000100011012 | 1110000100011102 |
| Base 3 | 11101120113 | 11101120123 |
| Base 4 | 130020314 | 130020324 |
| Base 5 | 14102235 | 14102245 |
| Base 6 | 3412216 | 3412226 |
| Base 7 | 1500017 | 1500027 |
| Base 8 | 702158 | 702168 |
| Base 9 | 434649 | 434659 |
| Base 10 | 2881310 | 2881410 |
| Base 11 | 1a71411 | 1a71511 |
| Base 12 | 1481112 | 1481212 |
| Base 13 | 1016513 | 1016613 |
| Base 14 | a70114 | a70214 |
| Base 15 | 880d15 | 880e15 |
| Base 16 | 708d16 | 708e16 |