Binary value of 18 decimal number

Result

18 = 10010

Explained

• 18 / 2 = 9
  0 remainder of division
• 9 / 2 = 4.5
  1 remainder of division
• 4 / 2 = 2
  0 remainder of division
• 2 / 2 = 1
  0 remainder of division
• 1 / 2 = 0.5
  1 remainder of division

Read listed remainders in reverse:

18 = 10010