Crossword Puzzle on Number System prepared by Dr. Amol Sonawane

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123456789101112131415161718
Across
  1. 2. Integers that are not divisible by 2.
  2. 5. ...,-3, -2, -1, 0, 1, 2, 3, ....
  3. 7. Numbers used to denote the size of a set.
  4. 11. This system uses sixteen digits.
  5. 13. Numbers used to indicate the position or order of elements in a sequence.
  6. 14. This is the number system most commonly used by humans.
  7. 16. Integers that are divisible by 2.
  8. 17. Numbers that can be expressed in the form a + bi, where "a" and "b" are real numbers, and "i" is the imaginary unit.
  9. 18. The set of positive integers starting from 1 and continuing indefinitely.
Down
  1. 1. Numbers greater than 1 that are not prime.
  2. 2. This system uses eight digits.
  3. 3. Numbers that cannot be expressed as fractions and have non-terminating, non-repeating decimal expansions.
  4. 4. Numbers whose proper divisors sum up to the number itself.
  5. 6. This system uses only two digits: 0 and 1.
  6. 8. Numbers greater than 1 that have no positive divisors other than 1 and themselves.
  7. 9. Similar to natural numbers but includes zero.
  8. 10. Numbers that can be expressed as a fraction of two integers, where the denominator is not zero.
  9. 12. The set of all rational and irrational numbers, encompassing all numbers that can be located on the number line.
  10. 15. numerals are a different way of representing numbers using a combination of letters from the Latin alphabet, such as I, V, X, L, C, D, and M.