Compare 5 vs 13

Unique factors11
Total factors11
Prime factorization51131
Prime factorization513
Divisors count22
Divisors1, 51, 13
Number of properties3632
Additive primes3rd 
Bell primes2nd 
Centered square primes1st2nd
Chen primes3rd6th
Class 1+ primes3rd 
Cousin primes (1st member) 3rd
Cuban primes 2 1st
Dihedral primes2nd 
Emirps 1st
Factorial primes3rd 
Fermat primes2nd 
Fibonacci primes3rd4th
Good primes1st 
Happy primes 2nd
Harmonic primes1st2nd
Left-truncatable primes3rd5th
Lucky primes 3rd
Multiplicative primes3rd5th
Palindromic primes3rd 
Pierpont primes3rd5th
Pierpont primes of the 2nd kind3rd 
Prime quadruplets (1st member)1st 
Prime quadruplets (2nd member) 2nd
Prime quadruplets (4th member) 1st
Prime quintuplet 1s (3rd member) 1st
Prime quintuplet 2s (1st member)1st 
Prime quintuplet 2s (2nd member) 2nd
Prime quintuplet 2s (4th member) 1st
Prime sextuplets (3rd member) 1st
Prime triplets (1st member)1st4th
Prime triplets (2nd member) 3rd
Prime triplets (3rd member) 2nd
Proth primes2nd3rd
Pythagorean primes1st2nd
Restricted left-truncatable primes2nd 
Right-truncatable primes3rd 
Safe primes1st 
Sexy primes (1st member)1st4th
Sexy primes (2nd member) 2nd
Sexy prime quadrupletss (1st member)1st 
Sexy prime triplets (1st member)1st 
Sexy prime triplets (2nd member) 2nd
Solinas primes2nd5th
Sophie germain primes3rd 
Super primes2nd 
Thabit primes2nd 
Thabit primes of the 2nd kind 2nd
Twin primes (1st member)2nd 
Twin primes (2nd member)1st3rd
Two-sided primes3rd 
Ulam primes 4th
Wilson primes1st2nd
Roman numberalsVXIII
Base 2101211012
Base 31231113
Base 4114314
Base 5105235
Base 656216
Base 757167
Base 858158
Base 959149
Base 105101310
Base 115111211
Base 125121112
Base 135131013
Base 14514d14
Base 15515d15
Base 16516d16
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