Compare 13681 vs 16381
| Property | 13681 | 16381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 136811 | 163811 |
| Prime factorization | 13681 | 16381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13681 | 1, 16381 |
| Number of properties | 9 | 8 |
| Additive primes | 779th | 904th |
| Centered square primes | 33rd | |
| Centered triangular primes | 22nd | 25th |
| Chen primes | 820th | |
| Isolated primes | 1321st | |
| Lucky primes | 274th | 312th |
| Primes | 1616th | 1900th |
| Pythagorean primes | 801st | 941st |
| Sexy primes (1st member) | 514th | |
| Sexy prime triplets (1st member) | 145th | |
| Solinas primes | 85th | |
| Twin primes (2nd member) | 252nd | |
| Roman numberals | ||
| Base 2 | 110101011100012 | 111111111111012 |
| Base 3 | 2002022013 | 2111102013 |
| Base 4 | 31113014 | 33333314 |
| Base 5 | 4142115 | 10110115 |
| Base 6 | 1432016 | 2035016 |
| Base 7 | 546137 | 655217 |
| Base 8 | 325618 | 377758 |
| Base 9 | 206819 | 244219 |
| Base 10 | 1368110 | 1638110 |
| Base 11 | a30811 | 1134211 |
| Base 12 | 7b0112 | 959112 |
| Base 13 | 62c513 | 75c113 |
| Base 14 | 4db314 | 5d8114 |
| Base 15 | 40c115 | 4cc115 |
| Base 16 | 357116 | 3ffd16 |