Compare 47 vs 57

Unique factors12
Total factors12
Prime factorization47131 × 191
Prime factorization473 × 19
Divisors count24
Divisors1, 471, 3, 19, 57
Number of properties211
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 
Prime triplets (3rd member)7th 
Safe primes5th 
Semiprimes 20th
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 numberalsXLVIILVII
Base 210111121110012
Base 31202320103
Base 423343214
Base 514252125
Base 611561336
Base 76571117
Base 8578718
Base 9529639
Base 1047105710
Base 1143115211
Base 123b124912
Base 1338134513
Base 1435144114
Base 1532153c15
Base 162f163916
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