Number Gossip

(Enter a number and I'll tell you everything you wanted to know about it but were afraid to ask.)

Unique Properties of 200

  • 200 is the smallest unprimeable number - it can not be turned into a prime number by changing just one of its digits to any other digit
  • 200 is the smallest no-prime decade (there are no primes in the range 2000-2009)

Common Properties of 200

Abundant
Composite
Even
Odious
Powerful
Practical