1. Numbers
  2. Compare 53 vs 991

Compare 53 vs 991

Property53991
Typeprimeprime
Unique factors11
Total factors11
Prime factorization5319911
Prime factorization53991
Divisors count22
Divisors1, 531, 991
Number of properties1810
Additive primes 89th
Chen primes15th115th
Class 1+ primes10th 
Emirps 36th
Good primes7th 
Isolated primes5th98th
Left-truncatable primes11th 
Lucky primes 42nd
Pierpont primes of the 2nd kind10th 
Primes16th167th
Pythagorean primes7th 
Restricted right-truncatable primes1st 
Right-truncatable primes9th 
Sexy primes (1st member)11th74th
Sexy primes (2nd member)10th 
Sexy prime quadrupletss (3rd member)3rd 
Sexy prime triplets (2nd member)7th 
Sexy prime triplets (3rd member)6th 
Solinas primes 43rd
Sophie germain primes8th 
Super primes 39th
Two-sided primes7th 
Ulam primes6th18th
Roman numberalsLIIICMXCI
Base 2110101211110111112
Base 31222311002013
Base 43114331334
Base 52035124315
Base 6125643316
Base 7104726147
Base 865817378
Base 958913219
Base 10531099110
Base 11491182111
Base 1245126a712
Base 1341135b313
Base 143b1450b14
Base 15381546115
Base 1635163df16
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