Number Gossip

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Unique Properties of 44

  • 44 is the smallest number which is the sum of a reversible pair of non-palindromic primes, 13 + 31
  • 44 is the first number such that it and the next number are the product of a prime and another distinct prime squared (44 = 22*11 and 45 = 32*5)
  • 44 is the smallest side of the smallest Euler brick
  • There are 44 derangements of 5 objects
  • There are 44 connected bipartite graphs with seven vertices

Common Properties of 44

Composite
Deficient
Even
Happy
Odious
Palindrome