Compare 1087 vs 1399
| Property | 1087 | 1399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10871 | 13991 |
| Prime factorization | 1087 | 1399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1087 | 1, 1399 |
| Number of properties | 11 | 6 |
| Chen primes | 145th | |
| Cousin primes (1st member) | 43rd | |
| Emirps | 65th | |
| Good primes | 47th | 52nd |
| Harmonic primes | 76th | |
| Isolated primes | 104th | 131st |
| Kynea primes | 5th | |
| Long primes | 67th | |
| Lucky primes | 47th | |
| Primes | 181st | 222nd |
| Prime triplets (1st member) | 31st | |
| Sexy primes (1st member) | 78th | |
| Solinas primes | 50th | |
| Super primes | 42nd | |
| Roman numberals | MLXXXVII | MCCCXCIX |
| Base 2 | 100001111112 | 101011101112 |
| Base 3 | 11110213 | 12202113 |
| Base 4 | 1003334 | 1113134 |
| Base 5 | 133225 | 210445 |
| Base 6 | 50116 | 102516 |
| Base 7 | 31127 | 40367 |
| Base 8 | 20778 | 25678 |
| Base 9 | 14379 | 18249 |
| Base 10 | 108710 | 139910 |
| Base 11 | 8a911 | 106211 |
| Base 12 | 76712 | 98712 |
| Base 13 | 65813 | 83813 |
| Base 14 | 57914 | 71d14 |
| Base 15 | 4c715 | 63415 |
| Base 16 | 43f16 | 57716 |