1. Numbers
  2. Compare 1987 vs 2081

Compare 1987 vs 2081

Property19872081
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1987120811
Prime factorization19872081
Divisors count22
Divisors1, 19871, 2081
Number of properties610
Additive primes 162nd
Chen primes 192nd
Good primes62nd 
Isolated primes181st 
Lucky primes70th 
Primes300th313th
Prime quadruplets (1st member) 8th
Prime triplets (1st member) 51st
Pythagorean primes 152nd
Sexy primes (1st member)127th132nd
Sexy prime triplets (1st member)50th 
Solinas primes 58th
Super primes 65th
Twin primes (1st member) 63rd
Roman numberalsMCMLXXXVIIMMLXXXI
Base 21111100001121000001000012
Base 32201121322120023
Base 413300342002014
Base 5304225313115
Base 6131116133456
Base 75536760327
Base 83703840418
Base 92647927629
Base 10198710208110
Base 11154711162211
Base 12119712125512
Base 13b9b13c4113
Base 14a1d14a8914
Base 158c71593b15
Base 167c31682116
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