Compare 7 vs 47

Unique factors11
Total factors11
Prime factorization71471
Prime factorization747
Divisors count22
Divisors1, 71, 47
Number of properties3721
Additive primes4th10th
Carol primes1st2nd
Chen primes4th14th
Class 1+ primes4th9th
Cousin primes (1st member)2nd 
Cousin primes (2nd member)1st6th
Cuban primes 11st 
Double mersenne primes1st 
Euclid primes3rd 
Factorial primes4th 
Happy primes1st 
Isolated primes 4th
Kynea primes2nd 
Left-truncatable primes4th10th
Long primes1st6th
Lucas primes3rd6th
Lucky primes2nd 
Mersenne primes2nd 
Multiplicative primes4th 
Palindromic primes4th 
Pierpont primes4th 
Pierpont primes of the 2nd kind4th9th
Prime quadruplets (2nd member)1st 
Prime quintuplet 1s (1st member)1st 
Prime quintuplet 2s (2nd member)1st 
Prime sextuplets (1st member)1st 
Prime triplets (1st member)2nd 
Prime triplets (2nd member)1st 
Prime triplets (3rd member) 7th
Right-truncatable primes4th 
Safe primes2nd5th
Sexy primes (1st member)2nd10th
Sexy primes (2nd member) 9th
Sexy prime quadrupletss (2nd member) 3rd
Sexy prime triplets (1st member)2nd7th
Sexy prime triplets (2nd member) 6th
Solinas primes3rd13th
Thabit primes 5th
Thabit primes of the 2nd kind1st 
Twin primes (2nd member)2nd 
Two-sided primes4th 
Ulam primes 5th
Woodall primes1st 
Roman numberalsVIIXLVII
Base 211121011112
Base 321312023
Base 41342334
Base 51251425
Base 61161156
Base 7107657
Base 878578
Base 979529
Base 107104710
Base 117114311
Base 127123b12
Base 137133813
Base 147143514
Base 157153215
Base 167162f16
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