1. Numbers
  2. Compare 1997 vs 2008

Compare 1997 vs 2008

Property19972008
Typeprimecomposite number
Unique factors12
Total factors14
Prime factorization1997123 × 2511
Prime factorization19972 × 2 × 2 × 251
Divisors count28
Divisors1, 19971, 2, 4, 8, 251, 502, 1004, 2008
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 numberalsMCMXCVIIMMVIII
Base 2111110011012111110110002
Base 32201222322021013
Base 413303141331204
Base 5304425310135
Base 6131256131446
Base 75552755667
Base 83715837308
Base 92658926719
Base 10199710200810
Base 11155611156611
Base 1211a51211b412
Base 13ba813bb613
Base 14a2914a3614
Base 158d2158dd15
Base 167cd167d816
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