Compare 28817 vs 28821
| Property | 28817 | 28821 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 288171 | 31 × 131 × 7391 |
| Prime factorization | 28817 | 3 × 13 × 739 |
| Divisors count | 2 | 8 |
| Divisors | 1, 28817 | 1, 3, 13, 39, 739, 2217, 9607, 28821 |
| Number of properties | 6 | 0 |
| Cousin primes (2nd member) | 457th | |
| Isolated primes | 2224th | |
| Long primes | 1194th | |
| Primes | 3139th | |
| Pythagorean primes | 1561st | |
| Quartan primes | 21st | |
| Roman numberals | ||
| Base 2 | 1110000100100012 | 1110000100101012 |
| Base 3 | 11101120223 | 11101121103 |
| Base 4 | 130021014 | 130021114 |
| Base 5 | 14102325 | 14102415 |
| Base 6 | 3412256 | 3412336 |
| Base 7 | 1500057 | 1500127 |
| Base 8 | 702218 | 702258 |
| Base 9 | 434689 | 434739 |
| Base 10 | 2881710 | 2882110 |
| Base 11 | 1a71811 | 1a72111 |
| Base 12 | 1481512 | 1481912 |
| Base 13 | 1016913 | 1017013 |
| Base 14 | a70514 | a70914 |
| Base 15 | 881215 | 881615 |
| Base 16 | 709116 | 709516 |