Compare 1999 vs 9721
Property | 1999 | 9721 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 19991 | 97211 |
Prime factorization | 1999 | 9721 |
Divisors count | 2 | 2 |
Divisors | 1, 1999 | 1, 9721 |
Number of properties | 8 | 7 |
Additive primes | 573rd | |
Centered triangular primes | 10th | 19th |
Cousin primes (1st member) | 65th | |
Emirps | 226th | |
Primes | 303rd | 1199th |
Prime triplets (2nd member) | 50th | |
Prime triplets (3rd member) | 49th | |
Pythagorean primes | 596th | |
Sexy primes (2nd member) | 128th | |
Sexy prime triplets (3rd member) | 50th | |
Twin primes (2nd member) | 61st | 202nd |
Ulam primes | 87th | |
Roman numberals | MCMXCIX | |
Base 2 | 111110011112 | 100101111110012 |
Base 3 | 22020013 | 1111000013 |
Base 4 | 1330334 | 21133214 |
Base 5 | 304445 | 3023415 |
Base 6 | 131316 | 1130016 |
Base 7 | 55547 | 402257 |
Base 8 | 37178 | 227718 |
Base 9 | 26619 | 143019 |
Base 10 | 199910 | 972110 |
Base 11 | 155811 | 733811 |
Base 12 | 11a712 | 576112 |
Base 13 | baa13 | 456a13 |
Base 14 | a2b14 | 378514 |
Base 15 | 8d415 | 2d3115 |
Base 16 | 7cf16 | 25f916 |