1. Numbers
  2. Compare 1997 vs 2002

Compare 1997 vs 2002

Property19972002
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization1997121 × 71 × 111 × 131
Prime factorization19972 × 7 × 11 × 13
Divisors count216
Divisors1, 19971, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002
Number of properties100
Chen primes185th 
Cousin primes (2nd member)64th 
Good primes64th 
Left-truncatable primes62nd 
Primes302nd 
Prime triplets (1st member)50th 
Prime triplets (2nd member)49th 
Pythagorean primes147th 
Sexy primes (1st member)129th 
Twin primes (1st member)61st 
Roman numberalsMCMXCVIIMMII
Base 2111110011012111110100102
Base 32201222322020113
Base 413303141331024
Base 5304425310025
Base 6131256131346
Base 75552755607
Base 83715837228
Base 92658926649
Base 10199710200210
Base 11155611156011
Base 1211a51211aa12
Base 13ba813bb013
Base 14a2914a3014
Base 158d2158d715
Base 167cd167d216
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