Compare 1999 vs 2010

Property19992010
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization1999121 × 31 × 51 × 671
Prime factorization19992 × 3 × 5 × 67
Divisors count216
Divisors1, 19991, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010
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 numberalsMCMXCIXMMX
Base 2111110011112111110110102
Base 32202001322021103
Base 413303341331224
Base 5304445310205
Base 6131316131506
Base 75554756017
Base 83717837328
Base 92661926739
Base 10199910201010
Base 11155811156811
Base 1211a71211b612
Base 13baa13bb813
Base 14a2b14a3814
Base 158d4158e015
Base 167cf167da16
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