Compare 47 vs 56

Property4756
Typeprimecomposite number
Unique factors12
Total factors14
Prime factorization47123 × 71
Prime factorization472 × 2 × 2 × 7
Divisors count28
Divisors1, 471, 2, 4, 7, 8, 14, 28, 56
Number of properties210
Additive primes10th 
Carol primes2nd 
Chen primes14th 
Class 1+ primes9th 
Cousin primes (2nd member)6th 
Isolated primes4th 
Left-truncatable primes10th 
Long primes6th 
Lucas primes6th 
Pierpont primes of the 2nd kind9th 
Primes15th 
Prime triplets (3rd member)7th 
Safe primes5th 
Sexy primes (1st member)10th 
Sexy primes (2nd member)9th 
Sexy prime quadrupletss (2nd member)3rd 
Sexy prime triplets (1st member)7th 
Sexy prime triplets (2nd member)6th 
Solinas primes13th 
Thabit primes5th 
Ulam primes5th 
Roman numberalsXLVIILVI
Base 210111121110002
Base 31202320023
Base 423343204
Base 514252115
Base 611561326
Base 76571107
Base 8578708
Base 9529629
Base 1047105610
Base 1143115111
Base 123b124812
Base 1338134413
Base 1435144014
Base 1532153b15
Base 162f163816
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