Compare 53 vs 55

Unique factors12
Total factors12
Prime factorization53151 × 111
Prime factorization535 × 11
Divisors count24
Divisors1, 531, 5, 11, 55
Number of properties181
Chen primes15th 
Class 1+ primes10th 
Good primes7th 
Isolated primes5th 
Left-truncatable primes11th 
Pierpont primes of the 2nd kind10th 
Pythagorean primes7th 
Restricted right-truncatable primes1st 
Right-truncatable primes9th 
Semiprimes 19th
Sexy primes (1st member)11th 
Sexy primes (2nd member)10th 
Sexy prime quadrupletss (3rd member)3rd 
Sexy prime triplets (2nd member)7th 
Sexy prime triplets (3rd member)6th 
Sophie germain primes8th 
Two-sided primes7th 
Ulam primes6th 
Roman numberalsLIIILV
Base 211010121101112
Base 31222320013
Base 431143134
Base 520352105
Base 612561316
Base 710471067
Base 8658678
Base 9589619
Base 1053105510
Base 1149115011
Base 1245124712
Base 1341134313
Base 143b143d14
Base 1538153a15
Base 1635163716
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