1. Numbers
  2. Compare 1999 vs 2389

Compare 1999 vs 2389

Property19992389
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1999123891
Prime factorization19992389
Divisors count22
Divisors1, 19991, 2389
Number of properties89
Centered triangular primes10th 
Chen primes 214th
Cousin primes (1st member)65th74th
Isolated primes 212th
Long primes 139th
Primes303rd355th
Prime triplets (2nd member)50th 
Prime triplets (3rd member)49th 
Pythagorean primes 174th
Sexy primes (2nd member)128th146th
Sexy prime quadrupletss (4th member) 13th
Sexy prime triplets (3rd member)50th54th
Twin primes (2nd member)61st 
Roman numberalsMCMXCIXMMCCCLXXXIX
Base 21111100111121001010101012
Base 322020013100211113
Base 413303342111114
Base 5304445340245
Base 6131316150216
Base 75554766527
Base 83717845258
Base 92661932449
Base 10199910238910
Base 11155811188211
Base 1211a712147112
Base 13baa13111a13
Base 14a2b14c2914
Base 158d415a9415
Base 167cf1695516
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