Compare 1399 vs 1867
| Property | 1399 | 1867 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 13991 | 18671 | 
| Prime factorization | 1399 | 1867 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1399 | 1, 1867 | 
| Number of properties | 6 | 12 | 
| Chen primes | 145th | |
| Cousin primes (1st member) | 62nd | |
| Emirps | 65th | 90th | 
| Good primes | 52nd | 59th | 
| Harmonic primes | 76th | |
| Isolated primes | 131st | 174th | 
| Primes | 222nd | 285th | 
| Prime quintuplet 1s (1st member) | 3rd | |
| Prime triplets (1st member) | 46th | |
| Sexy primes (1st member) | 121st | |
| Sexy primes (2nd member) | 120th | |
| Sexy prime quadrupletss (2nd member) | 12th | |
| Sexy prime triplets (1st member) | 48th | |
| Sexy prime triplets (2nd member) | 47th | |
| Roman numberals | MCCCXCIX | MDCCCLXVII | 
| Base 2 | 101011101112 | 111010010112 | 
| Base 3 | 12202113 | 21200113 | 
| Base 4 | 1113134 | 1310234 | 
| Base 5 | 210445 | 244325 | 
| Base 6 | 102516 | 123516 | 
| Base 7 | 40367 | 53057 | 
| Base 8 | 25678 | 35138 | 
| Base 9 | 18249 | 25049 | 
| Base 10 | 139910 | 186710 | 
| Base 11 | 106211 | 144811 | 
| Base 12 | 98712 | 10b712 | 
| Base 13 | 83813 | b0813 | 
| Base 14 | 71d14 | 97514 | 
| Base 15 | 63415 | 84715 | 
| Base 16 | 57716 | 74b16 |