Definition of

Binary Number

Binary Number

Binary Numbers use only the digits 0 and 1

Examples:
• 0 in Binary equals 0 in the Decimal Number System,
• 1 in Binary equals 1 in the Decimal Number System,
• 10 in Binary equals 2 in the Decimal Number System,
• 11 in Binary equals 3 in the Decimal Number System,
• 100 in Binary equals 4 in the Decimal Number System,
• etc.

Also called Base 2

See how to count in binary (press play):

../numbers/images/number-odometer.js?mode=2