Number Gossip

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Unique Properties of 97

  • 97 is the smallest prime that has a prime alphabetical value in its Roman numerals-based representation (XCVII): 24 + 3 + 22 + 9 + 9 = 67
  • There are 97 leap days every 400 years in the Gregorian Calendar
  • 97 is the largest two-digit prime

Common Properties of 97

Deficient
Happy
Odd
Odious
Prime
Square-free
Ulam