Number Gossip

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Unique Properties of 229

  • 229 is the smallest prime that remains prime when added to its reverse
  • 229 is the smallest prime such that the composite numbers between it and the next prime all have an equal number of divisors (next prime is 233, while 230, 231 and 232 all have 8 divisors)

Common Properties of 229

Deficient
Odd
Odious
Prime
Square-free
Twin