1. Numbers
  2. Compare 1949 vs 1999

Compare 1949 vs 1999

Property19491999
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1949119991
Prime factorization19491999
Divisors count22
Divisors1, 19491, 1999
Number of properties88
Additive primes156th 
Centered triangular primes 10th
Chen primes183rd 
Cousin primes (1st member) 65th
Emirps95th 
Harmonic primes110th 
Long primes115th 
Primes296th303rd
Prime triplets (2nd member) 50th
Prime triplets (3rd member) 49th
Pythagorean primes144th 
Sexy primes (2nd member) 128th
Sexy prime triplets (3rd member) 50th
Twin primes (1st member)60th 
Twin primes (2nd member) 61st
Roman numberalsMCMXLIXMCMXCIX
Base 2111100111012111110011112
Base 32200012322020013
Base 413213141330334
Base 5302445304445
Base 6130056131316
Base 75453755547
Base 83635837178
Base 92605926619
Base 10194910199910
Base 11151211155811
Base 1211651211a712
Base 13b6c13baa13
Base 149d314a2b14
Base 1589e158d415
Base 1679d167cf16
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