Number Gossip

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Unique Properties of 93

  • 93 is the smallest composite number such that the concatenation of its proper divisors (1,3,31) in ascending order is a palindrome
  • 93 is the smallest odd number that differs from its prime neighbors by a square
  • There are 93 palindromic primes with 5 digits

Rare Properties of 93

Cake

Common Properties of 93

Composite
Deficient
Lucky
Odd
Odious
Square-free