Compare 13 vs 47

Unique factors11
Total factors11
Prime factorization131471
Prime factorization1347
Divisors count22
Divisors1, 131, 47
Number of properties3221
Additive primes 10th
Carol primes 2nd
Centered square primes2nd 
Chen primes6th14th
Class 1+ primes 9th
Cousin primes (1st member)3rd 
Cousin primes (2nd member) 6th
Cuban primes 21st 
Fibonacci primes4th 
Happy primes2nd 
Harmonic primes2nd 
Isolated primes 4th
Left-truncatable primes5th10th
Long primes 6th
Lucas primes 6th
Lucky primes3rd 
Multiplicative primes5th 
Pierpont primes5th 
Pierpont primes of the 2nd kind 9th
Prime quadruplets (2nd member)2nd 
Prime quadruplets (4th member)1st 
Prime quintuplet 1s (3rd member)1st 
Prime quintuplet 2s (2nd member)2nd 
Prime quintuplet 2s (4th member)1st 
Prime sextuplets (3rd member)1st 
Prime triplets (1st member)4th 
Prime triplets (2nd member)3rd 
Prime triplets (3rd member)2nd7th
Proth primes3rd 
Pythagorean primes2nd 
Safe primes 5th
Sexy primes (1st member)4th10th
Sexy primes (2nd member)2nd9th
Sexy prime quadrupletss (2nd member) 3rd
Sexy prime triplets (1st member) 7th
Sexy prime triplets (2nd member)2nd6th
Solinas primes5th13th
Thabit primes 5th
Thabit primes of the 2nd kind2nd 
Twin primes (2nd member)3rd 
Ulam primes4th5th
Wilson primes2nd 
Roman numberalsXIIIXLVII
Base 2110121011112
Base 3111312023
Base 43142334
Base 52351425
Base 62161156
Base 7167657
Base 8158578
Base 9149529
Base 1013104710
Base 1112114311
Base 1211123b12
Base 1310133813
Base 14d143514
Base 15d153215
Base 16d162f16
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