Compare 1283 vs 1427
| Property | 1283 | 1427 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 12831 | 14271 | 
| Prime factorization | 1283 | 1427 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1283 | 1, 1427 | 
| Number of properties | 12 | 10 | 
| Chen primes | 135th | 147th | 
| Cousin primes (2nd member) | 46th | 49th | 
| Emirps | 61st | |
| Good primes | 54th | |
| Happy primes | 44th | |
| Harmonic primes | 72nd | |
| Isolated primes | 123rd | |
| Left-truncatable primes | 56th | |
| Primes | 208th | 225th | 
| Prime triplets (1st member) | 37th | |
| Prime triplets (2nd member) | 36th | |
| Prime triplets (3rd member) | 33rd | |
| Safe primes | 28th | |
| Sexy primes (1st member) | 90th | 98th | 
| Sexy primes (2nd member) | 89th | |
| Sexy prime triplets (1st member) | 37th | |
| Sexy prime triplets (2nd member) | 34th | |
| Twin primes (1st member) | 47th | |
| Roman numberals | MCCLXXXIII | MCDXXVII | 
| Base 2 | 101000000112 | 101100100112 | 
| Base 3 | 12021123 | 12212123 | 
| Base 4 | 1100034 | 1121034 | 
| Base 5 | 201135 | 212025 | 
| Base 6 | 55356 | 103356 | 
| Base 7 | 35127 | 41067 | 
| Base 8 | 24038 | 26238 | 
| Base 9 | 16759 | 18559 | 
| Base 10 | 128310 | 142710 | 
| Base 11 | a6711 | 108811 | 
| Base 12 | 8ab12 | 9ab12 | 
| Base 13 | 77913 | 85a13 | 
| Base 14 | 67914 | 73d14 | 
| Base 15 | 5a815 | 65215 | 
| Base 16 | 50316 | 59316 |