1. Numbers
  2. Compare 1999 vs 2137

Compare 1999 vs 2137

Property19992137
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1999121371
Prime factorization19992137
Divisors count22
Divisors1, 19991, 2137
Number of properties811
Additive primes 169th
Centered triangular primes10th 
Cousin primes (1st member)65th67th
Isolated primes 191st
Left-truncatable primes 64th
Long primes 123rd
Primes303rd322nd
Prime triplets (1st member) 53rd
Prime triplets (2nd member)50th 
Prime triplets (3rd member)49th 
Pythagorean primes 156th
Sexy primes (1st member) 135th
Sexy primes (2nd member)128th134th
Sexy prime triplets (2nd member) 51st
Sexy prime triplets (3rd member)50th 
Twin primes (2nd member)61st 
Roman numberalsMCMXCIXMMCXXXVII
Base 21111100111121000010110012
Base 32202001322210113
Base 413303342011214
Base 5304445320225
Base 6131316135216
Base 75554761427
Base 83717841318
Base 92661928349
Base 10199910213710
Base 11155811167311
Base 1211a71212a112
Base 13baa13c8513
Base 14a2b14ac914
Base 158d41597715
Base 167cf1685916
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