Compare 13781 vs 13781
| Property | 13781 | 13781 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 137811 | 137811 |
| Prime factorization | 13781 | 13781 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13781 | 1, 13781 |
| Number of properties | 6 | 6 |
| Centered decagonal primes | 28th | 28th |
| Emirps | 393rd | 393rd |
| Isolated primes | 1119th | 1119th |
| Long primes | 632nd | 632nd |
| Primes | 1630th | 1630th |
| Pythagorean primes | 808th | 808th |
| Roman numberals | ||
| Base 2 | 110101110101012 | 110101110101012 |
| Base 3 | 2002201023 | 2002201023 |
| Base 4 | 31131114 | 31131114 |
| Base 5 | 4201115 | 4201115 |
| Base 6 | 1434456 | 1434456 |
| Base 7 | 551157 | 551157 |
| Base 8 | 327258 | 327258 |
| Base 9 | 208129 | 208129 |
| Base 10 | 1378110 | 1378110 |
| Base 11 | a39911 | a39911 |
| Base 12 | 7b8512 | 7b8512 |
| Base 13 | 637113 | 637113 |
| Base 14 | 504514 | 504514 |
| Base 15 | 413b15 | 413b15 |
| Base 16 | 35d516 | 35d516 |