1. Numbers
  2. Compare 1999 vs 2004

Compare 1999 vs 2004

Property19992004
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization1999122 × 31 × 1671
Prime factorization19992 × 2 × 3 × 167
Divisors count212
Divisors1, 19991, 2, 3, 4, 6, 12, 167, 334, 501, 668, 1002, 2004
Number of properties80
Centered triangular primes10th 
Cousin primes (1st member)65th 
Primes303rd 
Prime triplets (2nd member)50th 
Prime triplets (3rd member)49th 
Sexy primes (2nd member)128th 
Sexy prime triplets (3rd member)50th 
Twin primes (2nd member)61st 
Roman numberalsMCMXCIXMMIV
Base 2111110011112111110101002
Base 32202001322020203
Base 413303341331104
Base 5304445310045
Base 6131316131406
Base 75554755627
Base 83717837248
Base 92661926669
Base 10199910200410
Base 11155811156211
Base 1211a71211b012
Base 13baa13bb213
Base 14a2b14a3214
Base 158d4158d915
Base 167cf167d416
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