11001 16 + 8 + 1
The number 200 written as a binary number is 11001000
Decimal 28 is 11100 in binary
The number 5 in binary is 101
212 (decimal) is 11010100 (binary)
1
10
10110
101
710 = 1112
Binary(101) = Decimal(5).
When you write the decimal number '7' in Base-2 (binary), you write '0111'.