1. Numbers
  2. Compare 997 vs 1000

Compare 997 vs 1000

Property9971000
Typeprimecomposite number
Unique factors12
Total factors16
Prime factorization997123 × 53
Prime factorization9972 × 2 × 2 × 5 × 5 × 5
Divisors count216
Divisors1, 9971, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000
Number of properties60
Isolated primes99th 
Left-truncatable primes54th 
Lucky primes43rd 
Primes168th 
Pythagorean primes80th 
Sexy primes (2nd member)74th 
Roman numberalsCMXCVIIM
Base 21111100101211111010002
Base 31100221311010013
Base 4332114332204
Base 5124425130005
Base 64341643446
Base 72623726267
Base 81745817508
Base 91327913319
Base 1099710100010
Base 118271182a11
Base 126b1126b412
Base 135b9135bc13
Base 145131451614
Base 154671546a15
Base 163e5163e816
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