1. Numbers
  2. Compare 1987 vs 2113

Compare 1987 vs 2113

Property19872113
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1987121131
Prime factorization19872113
Divisors count22
Divisors1, 19871, 2113
Number of properties610
Additive primes 167th
Centered square primes 16th
Good primes62nd 
Isolated primes181st 
Left-truncatable primes 63rd
Long primes 122nd
Lucky primes70th73rd
Primes300th319th
Proth primes 22nd
Pythagorean primes 154th
Sexy primes (1st member)127th 
Sexy prime triplets (1st member)50th 
Solinas primes 60th
Twin primes (2nd member) 65th
Roman numberalsMCMLXXXVIIMMCXIII
Base 21111100001121000010000012
Base 32201121322200213
Base 413300342010014
Base 5304225314235
Base 6131116134416
Base 75536761067
Base 83703841018
Base 92647928079
Base 10198710211310
Base 11154711165111
Base 12119712128112
Base 13b9b13c6713
Base 14a1d14aad14
Base 158c71595d15
Base 167c31684116
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