Compare 1237 vs 1283
| Property | 1237 | 1283 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 12371 | 12831 | 
| Prime factorization | 1237 | 1283 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1237 | 1, 1283 | 
| Number of properties | 7 | 12 | 
| Additive primes | 109th | |
| Chen primes | 135th | |
| Cousin primes (2nd member) | 46th | |
| Emirps | 57th | 61st | 
| Harmonic primes | 71st | 72nd | 
| Isolated primes | 120th | 123rd | 
| Left-truncatable primes | 56th | |
| Primes | 203rd | 208th | 
| Prime triplets (3rd member) | 33rd | |
| Pythagorean primes | 100th | |
| Safe primes | 28th | |
| Sexy primes (1st member) | 90th | |
| Sexy primes (2nd member) | 88th | 89th | 
| Sexy prime triplets (2nd member) | 34th | |
| Roman numberals | MCCXXXVII | MCCLXXXIII | 
| Base 2 | 100110101012 | 101000000112 | 
| Base 3 | 12002113 | 12021123 | 
| Base 4 | 1031114 | 1100034 | 
| Base 5 | 144225 | 201135 | 
| Base 6 | 54216 | 55356 | 
| Base 7 | 34157 | 35127 | 
| Base 8 | 23258 | 24038 | 
| Base 9 | 16249 | 16759 | 
| Base 10 | 123710 | 128310 | 
| Base 11 | a2511 | a6711 | 
| Base 12 | 87112 | 8ab12 | 
| Base 13 | 74213 | 77913 | 
| Base 14 | 64514 | 67914 | 
| Base 15 | 57715 | 5a815 | 
| Base 16 | 4d516 | 50316 |