Compare 28681 vs 28687
| Property | 28681 | 28687 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 231 × 291 × 431 | 286871 |
| Prime factorization | 23 × 29 × 43 | 28687 |
| Divisors count | 8 | 2 |
| Divisors | 1, 23, 29, 43, 667, 989, 1247, 28681 | 1, 28687 |
| Number of properties | 0 | 4 |
| Additive primes | 1428th | |
| Isolated primes | 2212th | |
| Long primes | 1189th | |
| Primes | 3125th | |
| Roman numberals | ||
| Base 2 | 1110000000010012 | 1110000000011112 |
| Base 3 | 11101000213 | 11101001113 |
| Base 4 | 130000214 | 130000334 |
| Base 5 | 14042115 | 14042225 |
| Base 6 | 3404416 | 3404516 |
| Base 7 | 1464227 | 1464317 |
| Base 8 | 700118 | 700178 |
| Base 9 | 433079 | 433149 |
| Base 10 | 2868110 | 2868710 |
| Base 11 | 1a60411 | 1a60a11 |
| Base 12 | 1472112 | 1472712 |
| Base 13 | 1009313 | 1009913 |
| Base 14 | a64914 | a65114 |
| Base 15 | 877115 | 877715 |
| Base 16 | 700916 | 700f16 |