Compare 991 vs 1553
Property | 991 | 1553 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 9911 | 15531 |
Prime factorization | 991 | 1553 |
Divisors count | 2 | 2 |
Divisors | 1, 991 | 1, 1553 |
Number of properties | 10 | 8 |
Additive primes | 89th | |
Chen primes | 115th | 156th |
Cousin primes (2nd member) | 54th | |
Emirps | 36th | |
Isolated primes | 98th | 146th |
Long primes | 94th | |
Lucky primes | 42nd | |
Primes | 167th | 245th |
Pythagorean primes | 118th | |
Sexy primes (1st member) | 74th | 107th |
Solinas primes | 43rd | |
Super primes | 39th | |
Ulam primes | 18th | 23rd |
Roman numberals | CMXCI | MDLIII |
Base 2 | 11110111112 | 110000100012 |
Base 3 | 11002013 | 20101123 |
Base 4 | 331334 | 1201014 |
Base 5 | 124315 | 222035 |
Base 6 | 43316 | 111056 |
Base 7 | 26147 | 43467 |
Base 8 | 17378 | 30218 |
Base 9 | 13219 | 21159 |
Base 10 | 99110 | 155310 |
Base 11 | 82111 | 119211 |
Base 12 | 6a712 | a9512 |
Base 13 | 5b313 | 92613 |
Base 14 | 50b14 | 7cd14 |
Base 15 | 46115 | 6d815 |
Base 16 | 3df16 | 61116 |