Converting a binary representation integer to a hexadecimal representation integer is relatively simple.

A common binary integer is often denoted as **0001001001101000101011001111000**.

The equivalent hexadecimal integer is often denoted as **0x12345678**.

Let's delimit the binary form for every four digits. We have **0001-0010-0011-0100-0101-0110-0111-1000**.

A closer inspection of the delimited binary representation suggests that each four digits of the binary representation matches each digit in the hexadecimal representation.

For example, the first digit of the hexadecimal representation is a **1**. What is the value of the first four digits in the binary respresentation? It is a **1** as well, as **0001** represents 1 base 10.

Can we try this for the second, or third digit in the hexadecimal representation? Yes, since, binary **0010** represents **2** and binary **0011** represents **3**.

As an exercise, the reader is encouraged to try this for all possible values of a hex digit. Notice that the greatest four digit binary number is 15, which is represented as **1111**. Furthermore, 15 is represented as **F** in hexadecimal, also the greatest single digit hexadecimal value.

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