Compare 1223 vs 1303
| Property | 1223 | 1303 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 12231 | 13031 | 
| Prime factorization | 1223 | 1303 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1223 | 1, 1303 | 
| Number of properties | 10 | 11 | 
| Additive primes | 116th | |
| Cousin primes (1st member) | 48th | |
| Emirps | 54th | |
| Happy primes | 42nd | |
| Harmonic primes | 70th | |
| Isolated primes | 119th | |
| Left-truncatable primes | 55th | |
| Long primes | 77th | 83rd | 
| Lucky primes | 55th | |
| Primes | 200th | 213th | 
| Prime triplets (2nd member) | 35th | |
| Prime triplets (3rd member) | 34th | |
| Sexy primes (1st member) | 87th | |
| Sexy primes (2nd member) | 86th | 92nd | 
| Sexy prime triplets (2nd member) | 33rd | |
| Sexy prime triplets (3rd member) | 35th | |
| Sophie germain primes | 43rd | |
| Twin primes (2nd member) | 45th | |
| Roman numberals | MCCXXIII | MCCCIII | 
| Base 2 | 100110001112 | 101000101112 | 
| Base 3 | 12000223 | 12100213 | 
| Base 4 | 1030134 | 1101134 | 
| Base 5 | 143435 | 202035 | 
| Base 6 | 53556 | 100116 | 
| Base 7 | 33657 | 35417 | 
| Base 8 | 23078 | 24278 | 
| Base 9 | 16089 | 17079 | 
| Base 10 | 122310 | 130310 | 
| Base 11 | a1211 | a8511 | 
| Base 12 | 85b12 | 90712 | 
| Base 13 | 73113 | 79313 | 
| Base 14 | 63514 | 69114 | 
| Base 15 | 56815 | 5bd15 | 
| Base 16 | 4c716 | 51716 |