1. Numbers
  2. Compare 1999 vs 13681

Compare 1999 vs 13681

Property199913681
Typeprimeprime
Unique factors11
Total factors11
Prime factorization19991136811
Prime factorization199913681
Divisors count22
Divisors1, 19991, 13681
Number of properties89
Additive primes 779th
Centered triangular primes10th22nd
Chen primes 820th
Cousin primes (1st member)65th 
Lucky primes 274th
Primes303rd1616th
Prime triplets (2nd member)50th 
Prime triplets (3rd member)49th 
Pythagorean primes 801st
Sexy primes (1st member) 514th
Sexy primes (2nd member)128th 
Sexy prime triplets (1st member) 145th
Sexy prime triplets (3rd member)50th 
Twin primes (2nd member)61st252nd
Roman numberalsMCMXCIX 
Base 2111110011112110101011100012
Base 3220200132002022013
Base 4133033431113014
Base 53044454142115
Base 61313161432016
Base 755547546137
Base 837178325618
Base 926619206819
Base 101999101368110
Base 11155811a30811
Base 1211a7127b0112
Base 13baa1362c513
Base 14a2b144db314
Base 158d41540c115
Base 167cf16357116
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