Whole Numbers

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
  • The number is the first and the smallest whole number.
  • All natural numbers are numbers.
  • The of a whole number is the number obtained by adding 1 to it.
  • The of a whole number is one less than the given number.
  • is not the successor of any whole number.
  • The product of any natural number and the smallest prime is .
  • Every counting number has an infinite number of .
  • The predecessor of 1 in whole numbers is .