1. Numbers
  2. Compare 1997 vs 2087

Compare 1997 vs 2087

Property19972087
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1997120871
Prime factorization19972087
Divisors count22
Divisors1, 19971, 2087
Number of properties109
Additive primes 164th
Chen primes185th193rd
Cousin primes (2nd member)64th66th
Good primes64th 
Left-truncatable primes62nd 
Primes302nd315th
Prime quadruplets (3rd member) 8th
Prime triplets (1st member)50th 
Prime triplets (2nd member)49th52nd
Prime triplets (3rd member) 51st
Pythagorean primes147th 
Sexy primes (1st member)129th 
Sexy primes (2nd member) 132nd
Twin primes (1st member)61st64th
Roman numberalsMCMXCVIIMMLXXXVII
Base 21111100110121000001001112
Base 32201222322120223
Base 413303142002134
Base 5304425313225
Base 6131256133556
Base 75552760417
Base 83715840478
Base 92658927689
Base 10199710208710
Base 11155611162811
Base 1211a512125b12
Base 13ba813c4713
Base 14a2914a9114
Base 158d21594215
Base 167cd1682716
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