Compare 53 vs 71

Unique factors11
Total factors11
Prime factorization531711
Prime factorization5371
Divisors count22
Divisors1, 531, 71
Number of properties1813
Centered heptagonal primes 2nd
Chen primes15th18th
Class 1+ primes10th11th
Cousin primes (2nd member) 7th
Emirps 5th
Good primes7th10th
Isolated primes5th 
Left-truncatable primes11th 
Multiplicative primes 8th
Pierpont primes of the 2nd kind10th11th
Prime triplets (2nd member) 8th
Pythagorean primes7th 
Restricted right-truncatable primes1st 
Right-truncatable primes9th11th
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 
Solinas primes 17th
Sophie germain primes8th 
Twin primes (1st member) 8th
Two-sided primes7th 
Ulam primes6th 
Roman numberalsLIIILXXI
Base 2110101210001112
Base 31222321223
Base 4311410134
Base 520352415
Base 612561556
Base 710471317
Base 86581078
Base 9589789
Base 1053107110
Base 1149116511
Base 1245125b12
Base 1341135613
Base 143b145114
Base 1538154b15
Base 1635164716
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