Compare 47 vs 521
Property | 47 | 521 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 471 | 5211 |
Prime factorization | 47 | 521 |
Divisors count | 2 | 2 |
Divisors | 1, 47 | 1, 521 |
Number of properties | 21 | 6 |
Additive primes | 10th | |
Carol primes | 2nd | |
Chen primes | 14th | 70th |
Class 1+ primes | 9th | |
Cousin primes (2nd member) | 6th | |
Isolated primes | 4th | |
Left-truncatable primes | 10th | |
Long primes | 6th | |
Lucas primes | 6th | 8th |
Pierpont primes of the 2nd kind | 9th | |
Primes | 15th | 98th |
Prime triplets (3rd member) | 7th | |
Pythagorean primes | 46th | |
Safe primes | 5th | |
Sexy primes (1st member) | 10th | |
Sexy primes (2nd member) | 9th | |
Sexy prime quadrupletss (2nd member) | 3rd | |
Sexy prime triplets (1st member) | 7th | |
Sexy prime triplets (2nd member) | 6th | |
Solinas primes | 13th | 39th |
Thabit primes | 5th | |
Twin primes (1st member) | 25th | |
Ulam primes | 5th | |
Roman numberals | XLVII | DXXI |
Base 2 | 1011112 | 10000010012 |
Base 3 | 12023 | 2010223 |
Base 4 | 2334 | 200214 |
Base 5 | 1425 | 40415 |
Base 6 | 1156 | 22256 |
Base 7 | 657 | 13437 |
Base 8 | 578 | 10118 |
Base 9 | 529 | 6389 |
Base 10 | 4710 | 52110 |
Base 11 | 4311 | 43411 |
Base 12 | 3b12 | 37512 |
Base 13 | 3813 | 31113 |
Base 14 | 3514 | 29314 |
Base 15 | 3215 | 24b15 |
Base 16 | 2f16 | 20916 |