1. Numbers
  2. Compare 1931 vs 1999

Compare 1931 vs 1999

Property19311999
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1931119991
Prime factorization19311999
Divisors count22
Divisors1, 19311, 1999
Number of properties58
Centered triangular primes 10th
Chen primes182nd 
Cousin primes (1st member) 65th
Harmonic primes108th 
Primes294th303rd
Prime triplets (2nd member) 50th
Prime triplets (3rd member) 49th
Sexy primes (2nd member) 128th
Sexy prime triplets (3rd member) 50th
Sophie germain primes59th 
Twin primes (1st member)59th 
Twin primes (2nd member) 61st
Roman numberalsMCMXXXIMCMXCIX
Base 2111100010112111110011112
Base 32122112322020013
Base 413202341330334
Base 5302115304445
Base 6125356131316
Base 75426755547
Base 83613837178
Base 92575926619
Base 10193110199910
Base 1114a611155811
Base 12114b1211a712
Base 13b5713baa13
Base 149bd14a2b14
Base 1588b158d415
Base 1678b167cf16
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