Compare 2801 vs 2809
| Property | 2801 | 2809 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 2 |
| Prime factorization | 28011 | 532 |
| Prime factorization | 2801 | 53 × 53 |
| Divisors count | 2 | 3 |
| Divisors | 1, 2801 | 1, 53, 2809 |
| Number of properties | 7 | 1 |
| Additive primes | 213th | |
| Chen primes | 243rd | |
| Cousin primes (2nd member) | 84th | |
| Primes | 408th | |
| Prime triplets (2nd member) | 61st | |
| Pythagorean primes | 201st | |
| Semiprimes | 783rd | |
| Twin primes (1st member) | 80th | |
| Roman numberals | MMDCCCI | MMDCCCIX |
| Base 2 | 1010111100012 | 1010111110012 |
| Base 3 | 102112023 | 102120013 |
| Base 4 | 2233014 | 2233214 |
| Base 5 | 422015 | 422145 |
| Base 6 | 205456 | 210016 |
| Base 7 | 111117 | 111227 |
| Base 8 | 53618 | 53718 |
| Base 9 | 37529 | 37619 |
| Base 10 | 280110 | 280910 |
| Base 11 | 211711 | 212411 |
| Base 12 | 175512 | 176112 |
| Base 13 | 137613 | 138113 |
| Base 14 | 104114 | 104914 |
| Base 15 | c6b15 | c7415 |
| Base 16 | af116 | af916 |