Number Systems and Properties Quiz

Which of the following is a number system that uses only 0 and 1 as digits?

• Binary

• Decimal

• Octal

• Hexadecimal

In which number system are the digits 0-9 and A-F used?

• Decimal

• Binary

• Hexadecimal

• Octal

Which of the following are natural numbers?

• 0, 1, 2, 3

• -1, 0, 1, 2

• 1, 2, 3, 4

• 0, -1, -2, -3

What is the smallest whole number?

• 0

• 1

• -1

• 2

Which of the following are integers?

• 3/4, -2, 0

• 2, -5, 0

• 1/3, 2, 4

• √2, 3, 4

Which of the following is an even number?

• 3

• 7

• 10

• 15

A number that is not divisible by 2 is called a(n):

• Even number

• Prime number

• Odd number

• Composite number

Which of the following is a prime number?

• 6

• 9

• 11

• 15

Two numbers are said to be coprime if their greatest common divisor (GCD) is:

• 0

• 1

• 2

• 5

A composite number has how many divisors?

• Only 1

• Only 2

• More than 2

• None