1. Numbers
  2. Compare 1979 vs 1999

Compare 1979 vs 1999

Property19791999
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1979119991
Prime factorization19791999
Divisors count22
Divisors1, 19791, 1999
Number of properties68
Centered triangular primes 10th
Chen primes184th 
Cousin primes (1st member) 65th
Emirps96th 
Isolated primes180th 
Long primes116th 
Primes299th303rd
Prime triplets (2nd member) 50th
Prime triplets (3rd member) 49th
Sexy primes (2nd member)126th128th
Sexy prime triplets (3rd member) 50th
Twin primes (2nd member) 61st
Roman numberalsMCMLXXIXMCMXCIX
Base 2111101110112111110011112
Base 32201022322020013
Base 413232341330334
Base 5304045304445
Base 6130556131316
Base 75525755547
Base 83673837178
Base 92638926619
Base 10197910199910
Base 11153a11155811
Base 12118b1211a712
Base 13b9313baa13
Base 14a1514a2b14
Base 158be158d415
Base 167bb167cf16
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