Compare 47 vs 61

Unique factors11
Total factors11
Prime factorization471611
Prime factorization4761
Divisors count22
Divisors1, 471, 61
Number of properties2112
Additive primes10th11th
Carol primes2nd 
Centered decagonal primes 3rd
Centered square primes 4th
Chen primes14th 
Class 1+ primes9th 
Cousin primes (2nd member)6th 
Cuban primes 1 4th
Isolated primes4th 
Left-truncatable primes10th 
Long primes6th8th
Lucas primes6th 
Pierpont primes of the 2nd kind9th 
Prime triplets (3rd member)7th 
Pythagorean primes 8th
Safe primes5th 
Sexy primes (1st member)10th12th
Sexy primes (2nd member)9th 
Sexy prime quadrupletss (1st member) 4th
Sexy prime quadrupletss (2nd member)3rd 
Sexy prime triplets (1st member)7th8th
Sexy prime triplets (2nd member)6th 
Solinas primes13th15th
Thabit primes5th 
Twin primes (2nd member) 7th
Ulam primes5th 
Roman numberalsXLVIILXI
Base 210111121111012
Base 31202320213
Base 423343314
Base 514252215
Base 611561416
Base 76571157
Base 8578758
Base 9529679
Base 1047106110
Base 1143115611
Base 123b125112
Base 1338134913
Base 1435144514
Base 1532154115
Base 162f163d16
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