Compare 23 vs 53

Unique factors11
Total factors11
Prime factorization231531
Prime factorization2353
Divisors count22
Divisors1, 231, 53
Number of properties3018
Additive primes6th 
Chen primes9th15th
Class 1+ primes7th10th
Cousin primes (2nd member)4th 
Factorial primes5th 
Good primes 7th
Happy primes4th 
Harmonic primes4th 
Isolated primes2nd5th
Kynea primes3rd 
Left-truncatable primes7th11th
Long primes4th 
Pierpont primes of the 2nd kind7th10th
Prime quintuplet 2s (5th member)2nd 
Prime sextuplets (6th member)1st 
Prime triplets (3rd member)5th 
Pythagorean primes 7th
Restricted right-truncatable primes 1st
Right-truncatable primes5th9th
Safe primes4th 
Sexy primes (1st member)6th11th
Sexy primes (2nd member)5th10th
Sexy prime quadrupletss (3rd member)2nd3rd
Sexy prime quadrupletss (4th member)1st 
Sexy prime triplets (2nd member)4th7th
Sexy prime triplets (3rd member)3rd6th
Solinas primes8th 
Sophie germain primes5th8th
Thabit primes4th 
Two-sided primes5th7th
Ulam primes 6th
Wedderburn-etherington primes4th 
Woodall primes2nd 
Roman numberalsXXIIILIII
Base 21011121101012
Base 3212312223
Base 411343114
Base 54352035
Base 63561256
Base 73271047
Base 8278658
Base 9259589
Base 1023105310
Base 1121114911
Base 121b124512
Base 131a134113
Base 1419143b14
Base 1518153815
Base 1617163516
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