Examples of binary numbers are...
1010 = 10
1111 = 15
10001 = 17
10101 = 21
11001 = 25
Chat with our AI personalities
100
The number 225 in binary is 11100001
That's not a binary number ! Binary numbers can only use the digits 1 and 0.
The number 21 in binary is 10101
The decimal number 23 corresponds to the binary number 10111.