1. Numbers
  2. Compare 47 vs 257

Compare 47 vs 257

Property47257
Typeprimeprime
Unique factors11
Total factors11
Prime factorization4712571
Prime factorization47257
Divisors count22
Divisors1, 471, 257
Number of properties2116
Additive primes10th 
Carol primes2nd 
Chen primes14th42nd
Class 1+ primes9th 
Cousin primes (2nd member)6th 
Fermat primes 4th
Good primes 20th
Isolated primes4th22nd
Left-truncatable primes10th 
Long primes6th21st
Lucas primes6th 
Pierpont primes 14th
Pierpont primes of the 2nd kind9th 
Primes15th55th
Prime triplets (3rd member)7th 
Proth primes 10th
Pythagorean primes 25th
Quartan primes 4th
Safe primes5th 
Sexy primes (1st member)10th31st
Sexy primes (2nd member)9th30th
Sexy prime quadrupletss (2nd member)3rd5th
Sexy prime triplets (1st member)7th16th
Sexy prime triplets (2nd member)6th15th
Solinas primes13th31st
Thabit primes5th 
Ulam primes5th 
Roman numberalsXLVIICCLVII
Base 210111121000000012
Base 3120231001123
Base 42334100014
Base 5142520125
Base 6115611056
Base 76575157
Base 85784018
Base 95293159
Base 10471025710
Base 11431121411
Base 123b1219512
Base 13381316a13
Base 14351414514
Base 15321512215
Base 162f1610116
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