Number Gossip

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Unique Properties of 107

  • 107 = 1!! + 0!! + 7!!: note that 107 is the largest, and the only multidigit, number with this property
  • 107 is the maximal number of steps that a four-state Turing machine can make on an initially blank tape until it halts

Common Properties of 107

Deficient
Odd
Odious
Prime
Square-free
Twin