Compare 27999 vs 28001
| Property | 27999 | 28001 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 33 × 171 × 611 | 280011 |
| Prime factorization | 3 × 3 × 3 × 17 × 61 | 28001 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 1037, 1647, 3111, 9333, 27999 | 1, 28001 |
| Number of properties | 0 | 7 |
| Additive primes | 1401st | |
| Chen primes | 1486th | |
| Cousin primes (2nd member) | 447th | |
| Isolated primes | 2165th | |
| Primes | 3056th | |
| Pythagorean primes | 1523rd | |
| Sophie germain primes | 424th | |
| Roman numberals | ||
| Base 2 | 1101101010111112 | 1101101011000012 |
| Base 3 | 11021020003 | 11021020023 |
| Base 4 | 123111334 | 123112014 |
| Base 5 | 13434445 | 13440015 |
| Base 6 | 3333436 | 3333456 |
| Base 7 | 1444267 | 1444317 |
| Base 8 | 665378 | 665418 |
| Base 9 | 423609 | 423629 |
| Base 10 | 2799910 | 2800110 |
| Base 11 | 1a04411 | 1a04611 |
| Base 12 | 1425312 | 1425512 |
| Base 13 | c98a13 | c98c13 |
| Base 14 | a2bd14 | a2c114 |
| Base 15 | 846915 | 846b15 |
| Base 16 | 6d5f16 | 6d6116 |