Compare 1399 vs 1597
| Property | 1399 | 1597 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13991 | 15971 |
| Prime factorization | 1399 | 1597 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1399 | 1, 1597 |
| Number of properties | 6 | 9 |
| Chen primes | 145th | |
| Cousin primes (1st member) | 57th | |
| Emirps | 65th | 77th |
| Fibonacci primes | 7th | |
| Good primes | 52nd | 56th |
| Harmonic primes | 76th | |
| Isolated primes | 131st | 152nd |
| Lucky primes | 61st | |
| Primes | 222nd | 251st |
| Pythagorean primes | 119th | |
| Super primes | 54th | |
| Roman numberals | MCCCXCIX | MDXCVII |
| Base 2 | 101011101112 | 110001111012 |
| Base 3 | 12202113 | 20120113 |
| Base 4 | 1113134 | 1203314 |
| Base 5 | 210445 | 223425 |
| Base 6 | 102516 | 112216 |
| Base 7 | 40367 | 44417 |
| Base 8 | 25678 | 30758 |
| Base 9 | 18249 | 21649 |
| Base 10 | 139910 | 159710 |
| Base 11 | 106211 | 122211 |
| Base 12 | 98712 | b1112 |
| Base 13 | 83813 | 95b13 |
| Base 14 | 71d14 | 82114 |
| Base 15 | 63415 | 71715 |
| Base 16 | 57716 | 63d16 |