1. Numbers
  2. Compare 47 vs 55

Compare 47 vs 55

Property4755
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization47151 × 111
Prime factorization475 × 11
Divisors count24
Divisors1, 471, 5, 11, 55
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 
Primes15th 
Prime triplets (3rd member)7th 
Safe primes5th 
Semiprimes 19th
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 numberalsXLVIILV
Base 210111121101112
Base 31202320013
Base 423343134
Base 514252105
Base 611561316
Base 76571067
Base 8578678
Base 9529619
Base 1047105510
Base 1143115011
Base 123b124712
Base 1338134313
Base 1435143d14
Base 1532153a15
Base 162f163716
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