Compare 1423 vs 1487
| Property | 1423 | 1487 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 14231 | 14871 | 
| Prime factorization | 1423 | 1487 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1423 | 1, 1487 | 
| Number of properties | 6 | 18 | 
| Chen primes | 153rd | |
| Cousin primes (1st member) | 49th | |
| Cousin primes (2nd member) | 52nd | |
| Emirps | 71st | |
| Good primes | 53rd | |
| Happy primes | 47th | |
| Isolated primes | 133rd | |
| Long primes | 90th | |
| Primes | 224th | 236th | 
| Prime quadruplets (3rd member) | 6th | |
| Prime quintuplet 2s (3rd member) | 4th | |
| Prime triplets (1st member) | 36th | 41st | 
| Prime triplets (2nd member) | 40th | |
| Prime triplets (3rd member) | 39th | |
| Safe primes | 33rd | |
| Sexy primes (1st member) | 97th | 104th | 
| Sexy primes (2nd member) | 102nd | |
| Sexy prime quadrupletss (2nd member) | 9th | |
| Sexy prime triplets (1st member) | 40th | |
| Sexy prime triplets (2nd member) | 39th | |
| Twin primes (1st member) | 50th | |
| Roman numberals | MCDXXIII | MCDLXXXVII | 
| Base 2 | 101100011112 | 101110011112 | 
| Base 3 | 12212013 | 20010023 | 
| Base 4 | 1120334 | 1130334 | 
| Base 5 | 211435 | 214225 | 
| Base 6 | 103316 | 105156 | 
| Base 7 | 41027 | 42237 | 
| Base 8 | 26178 | 27178 | 
| Base 9 | 18519 | 20329 | 
| Base 10 | 142310 | 148710 | 
| Base 11 | 108411 | 113211 | 
| Base 12 | 9a712 | a3b12 | 
| Base 13 | 85613 | 8a513 | 
| Base 14 | 73914 | 78314 | 
| Base 15 | 64d15 | 69215 | 
| Base 16 | 58f16 | 5cf16 |