Number Gossip

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Unique Properties of 655

  • 655 is the smallest number such that the following procedure gives itself: represent this number as a concatenation of two strings in all possible ways, then multiply two numbers in concatenation and sum all the resulting numbers: 655 = 65*5 + 6*55

Common Properties of 655

Composite
Deficient
Evil
Happy
Lucky
Odd
Square-free