Compare 13781 vs 20161
| Property | 13781 | 20161 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 137811 | 201611 |
| Prime factorization | 13781 | 20161 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13781 | 1, 20161 |
| Number of properties | 6 | 5 |
| Centered decagonal primes | 28th | 34th |
| Emirps | 393rd | |
| Isolated primes | 1119th | 1594th |
| Long primes | 632nd | |
| Primes | 1630th | 2281st |
| Pythagorean primes | 808th | 1134th |
| Super primes | 339th | |
| Roman numberals | ||
| Base 2 | 110101110101012 | 1001110110000012 |
| Base 3 | 2002201023 | 10001222013 |
| Base 4 | 31131114 | 103230014 |
| Base 5 | 4201115 | 11211215 |
| Base 6 | 1434456 | 2332016 |
| Base 7 | 551157 | 1125317 |
| Base 8 | 327258 | 473018 |
| Base 9 | 208129 | 305819 |
| Base 10 | 1378110 | 2016110 |
| Base 11 | a39911 | 1416911 |
| Base 12 | 7b8512 | b80112 |
| Base 13 | 637113 | 923b13 |
| Base 14 | 504514 | 74c114 |
| Base 15 | 413b15 | 5e9115 |
| Base 16 | 35d516 | 4ec116 |