Compare 28871 vs 28875
| Property | 28871 | 28875 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 6 |
| Prime factorization | 288711 | 31 × 53 × 71 × 111 |
| Prime factorization | 28871 | 3 × 5 × 5 × 5 × 7 × 11 |
| Divisors count | 2 | 32 |
| Divisors | 1, 28871 | 1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 125, 165, 175, 231, 275, 375, 385, 525, 825, 875, 1155, 1375, 1925, 2625, 4125, 5775, 9625, 28875 |
| Number of properties | 4 | 0 |
| Chen primes | 1519th | |
| Cousin primes (2nd member) | 458th | |
| Isolated primes | 2229th | |
| Primes | 3144th | |
| Roman numberals | ||
| Base 2 | 1110000110001112 | 1110000110010112 |
| Base 3 | 11101210223 | 11101211103 |
| Base 4 | 130030134 | 130030234 |
| Base 5 | 14104415 | 14110005 |
| Base 6 | 3413556 | 3414036 |
| Base 7 | 1501137 | 1501207 |
| Base 8 | 703078 | 703138 |
| Base 9 | 435389 | 435439 |
| Base 10 | 2887110 | 2887510 |
| Base 11 | 1a76711 | 1a77011 |
| Base 12 | 1485b12 | 1486312 |
| Base 13 | 101ab13 | 101b213 |
| Base 14 | a74314 | a74714 |
| Base 15 | 884b15 | 885015 |
| Base 16 | 70c716 | 70cb16 |