Number Gossip

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Unique Properties of 128

  • 128 is the largest number which is not the sum of distinct squares
  • 128 = 2! + 3! + 5!
  • 128 is the smallest number n such that dropping the first and the last digit of n leaves its largest prime factor
  • 128 is the least integer greater than 4 which is not the sum of two distinct powers of two and a prime

Rare Properties of 128

Power of 2

Common Properties of 128

Composite
Deficient
Even
Odious
Powerful
Practical