Compare 13681 vs 13682
| Property | 13681 | 13682 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 136811 | 21 × 68411 |
| Prime factorization | 13681 | 2 × 6841 |
| Divisors count | 2 | 4 |
| Divisors | 1, 13681 | 1, 2, 6841, 13682 |
| Number of properties | 9 | 1 |
| Additive primes | 779th | |
| Centered triangular primes | 22nd | |
| Chen primes | 820th | |
| Lucky primes | 274th | |
| Primes | 1616th | |
| Pythagorean primes | 801st | |
| Semiprimes | 3544th | |
| Sexy primes (1st member) | 514th | |
| Sexy prime triplets (1st member) | 145th | |
| Twin primes (2nd member) | 252nd | |
| Roman numberals | ||
| Base 2 | 110101011100012 | 110101011100102 |
| Base 3 | 2002022013 | 2002022023 |
| Base 4 | 31113014 | 31113024 |
| Base 5 | 4142115 | 4142125 |
| Base 6 | 1432016 | 1432026 |
| Base 7 | 546137 | 546147 |
| Base 8 | 325618 | 325628 |
| Base 9 | 206819 | 206829 |
| Base 10 | 1368110 | 1368210 |
| Base 11 | a30811 | a30911 |
| Base 12 | 7b0112 | 7b0212 |
| Base 13 | 62c513 | 62c613 |
| Base 14 | 4db314 | 4db414 |
| Base 15 | 40c115 | 40c215 |
| Base 16 | 357116 | 357216 |