1. Numbers
  2. Compare 47 vs 251

Compare 47 vs 251

Property47251
Typeprimeprime
Unique factors11
Total factors11
Prime factorization4712511
Prime factorization47251
Divisors count22
Divisors1, 471, 251
Number of properties2110
Additive primes10th 
Carol primes2nd 
Chen primes14th41st
Class 1+ primes9th 
Cousin primes (2nd member)6th 
Good primes 19th
Harmonic primes 20th
Isolated primes4th21st
Left-truncatable primes10th 
Long primes6th 
Lucas primes6th 
Pierpont primes of the 2nd kind9th 
Primes15th54th
Prime triplets (3rd member)7th 
Safe primes5th 
Sexy primes (1st member)10th30th
Sexy primes (2nd member)9th 
Sexy prime quadrupletss (1st member) 5th
Sexy prime quadrupletss (2nd member)3rd 
Sexy prime triplets (1st member)7th15th
Sexy prime triplets (2nd member)6th 
Solinas primes13th30th
Sophie germain primes 18th
Thabit primes5th 
Ulam primes5th 
Roman numberalsXLVIICCLI
Base 21011112111110112
Base 3120231000223
Base 4233433234
Base 5142520015
Base 6115610556
Base 76575067
Base 85783738
Base 95293089
Base 10471025110
Base 11431120911
Base 123b1218b12
Base 13381316413
Base 14351413d14
Base 15321511b15
Base 162f16fb16
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