Numbers

1234567
Across
  1. 3. place value of 9 of the number 69671
  2. 4. the number 20 more than 500
  3. 6. the number 9 less than 660
  4. 7. value represented by 856439
Down
  1. 1. value represented by 547896543
  2. 2. largest number which is formed by 5,1,2,7
  3. 3. number of digits in the Hindu Arabic number system
  4. 5. smallest number that can be formed by the digits 3,8,9,7,6