Numeral Symbols

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12345678910111213
Across
  1. 2. – A number system using only 0 and 1
  2. 5. – A group of twenty
  3. 6. – A group of twelve
  4. 9. – The product of all positive integers up to a number
  5. 10. – A whole number, positive or negative
  6. 11. – A base-8 number system
  7. 12. – A number not divisible by 2
  8. 13. – A number divisible by 2
Down
  1. 1. – A group of 144
  2. 3. – A number with only two factors, 1 and itself
  3. 4. – The additive identity
  4. 6. – A single number from 0 to 9
  5. 7. – A number system based on 10
  6. 8. – A numeral system using I, V, X, etc.
  7. 9. – A number that represents part of a whole