10101001 Binary in Hex

Let's convert the binary number 10101001 to hexadecimal:

Start with the binary number you want to convert to hexadecimal. Group the binary digits into groups of four, starting from the right. If the last group has fewer than four digits, pad it with zeros on the left.

Binary: 1010 1001

With Zeros: 1010 1001

Now, convert each group of binary digits to its hexadecimal equivalent:

10102 = A16

10012 = 916

Note: In hexadecimal 10 is represented as A, 11 as B, 12 as C, 13 as D, 14 as E, and 15 as F.

Write down the hexadecimal digits obtained from each group:

Hexadecimal:A9