Compare 1481 vs 1487
| Property | 1481 | 1487 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14811 | 14871 |
| Prime factorization | 1481 | 1487 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1481 | 1, 1487 |
| Number of properties | 13 | 18 |
| Chen primes | 152nd | 153rd |
| Cousin primes (2nd member) | 52nd | |
| Emirps | 71st | |
| Happy primes | 46th | 47th |
| Harmonic primes | 80th | |
| Long primes | 90th | |
| Primes | 234th | 236th |
| Prime quadruplets (1st member) | 6th | |
| Prime quadruplets (3rd member) | 6th | |
| Prime quintuplet 2s (1st member) | 4th | |
| Prime quintuplet 2s (3rd member) | 4th | |
| Prime triplets (1st member) | 39th | 41st |
| Prime triplets (2nd member) | 40th | |
| Prime triplets (3rd member) | 39th | |
| Pythagorean primes | 114th | |
| Safe primes | 33rd | |
| Sexy primes (1st member) | 102nd | 104th |
| Sexy primes (2nd member) | 102nd | |
| Sexy prime quadrupletss (1st member) | 9th | |
| Sexy prime quadrupletss (2nd member) | 9th | |
| Sexy prime triplets (1st member) | 39th | 40th |
| Sexy prime triplets (2nd member) | 39th | |
| Sophie germain primes | 49th | |
| Twin primes (1st member) | 49th | 50th |
| Roman numberals | MCDLXXXI | MCDLXXXVII |
| Base 2 | 101110010012 | 101110011112 |
| Base 3 | 20002123 | 20010023 |
| Base 4 | 1130214 | 1130334 |
| Base 5 | 214115 | 214225 |
| Base 6 | 105056 | 105156 |
| Base 7 | 42147 | 42237 |
| Base 8 | 27118 | 27178 |
| Base 9 | 20259 | 20329 |
| Base 10 | 148110 | 148710 |
| Base 11 | 112711 | 113211 |
| Base 12 | a3512 | a3b12 |
| Base 13 | 89c13 | 8a513 |
| Base 14 | 77b14 | 78314 |
| Base 15 | 68b15 | 69215 |
| Base 16 | 5c916 | 5cf16 |