1. Numbers
  2. Compare 47 vs 49

Compare 47 vs 49

Property4749
Typeprimesemiprime
Unique factors11
Total factors12
Prime factorization47172
Prime factorization477 × 7
Divisors count23
Divisors1, 471, 7, 49
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 17th
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 numberalsXLVIIXLIX
Base 210111121100012
Base 31202312113
Base 423343014
Base 514251445
Base 611561216
Base 76571007
Base 8578618
Base 9529549
Base 1047104910
Base 1143114511
Base 123b124112
Base 1338133a13
Base 1435143714
Base 1532153415
Base 162f163116
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