Compare 1087 vs 1489
Property | 1087 | 1489 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 10871 | 14891 |
Prime factorization | 1087 | 1489 |
Divisors count | 2 | 2 |
Divisors | 1, 1087 | 1, 1489 |
Number of properties | 11 | 12 |
Centered triangular primes | 9th | |
Cousin primes (1st member) | 43rd | 53rd |
Good primes | 47th | |
Harmonic primes | 81st | |
Isolated primes | 104th | |
Kynea primes | 5th | |
Long primes | 67th | |
Lucky primes | 47th | |
Primes | 181st | 237th |
Prime quadruplets (4th member) | 6th | |
Prime quintuplet 2s (4th member) | 4th | |
Prime triplets (1st member) | 31st | |
Prime triplets (2nd member) | 41st | |
Prime triplets (3rd member) | 40th | |
Pythagorean primes | 115th | |
Sexy primes (1st member) | 78th | |
Sexy primes (2nd member) | 103rd | |
Solinas primes | 50th | |
Super primes | 42nd | |
Twin primes (2nd member) | 50th | |
Ulam primes | 21st | |
Roman numberals | MLXXXVII | MCDLXXXIX |
Base 2 | 100001111112 | 101110100012 |
Base 3 | 11110213 | 20010113 |
Base 4 | 1003334 | 1131014 |
Base 5 | 133225 | 214245 |
Base 6 | 50116 | 105216 |
Base 7 | 31127 | 42257 |
Base 8 | 20778 | 27218 |
Base 9 | 14379 | 20349 |
Base 10 | 108710 | 148910 |
Base 11 | 8a911 | 113411 |
Base 12 | 76712 | a4112 |
Base 13 | 65813 | 8a713 |
Base 14 | 57914 | 78514 |
Base 15 | 4c715 | 69415 |
Base 16 | 43f16 | 5d116 |