Number Gossip

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Unique Properties of 122

  • 122 is the smallest squarefree number whose internal digits form a squarefree number
  • 122 is the sum of the two smallest non-consecutive factorials of distinct primes: 122 = 2! + 5!
  • 122 is the smallest number n greater than 1 so that n concatenated with n-1 zeros concatenated with the reverse of n is prime

Common Properties of 122

Composite
Deficient
Even
Odious
Square-free