Number Bases

Front

What is a number base?

Back

A number base (or radix) is the number of unique digits, including zero, used to represent numbers in a positional numeral system.

Front

Convert 79₁₀ to base 2.

Back

1001111₂

Front

What is the base 8 representation of the decimal number 3644?

Back

3644₈

Front

How do you subtract base 8 numbers?

Back

Align the numbers by their least significant digit and subtract as in base 10, borrowing from the next column if necessary.

Front

Find the difference between 4726₈ and 1062₈.

Back

3644₈

Front

Which of the following numbers is divisible by 8: 3364, 3064, 3264, 2364?

Back

3064 is divisible by 8.

Front

What is the sum of 2030₄ and 1033₄?

Back

3123₄

Front

Convert 145₁₀ to base 4.

Back

2101₄

Front

What is the process to convert a decimal number to binary?

Back

Divide the number by 2, record the remainder, and repeat with the quotient until it reaches 0. The binary number is the remainders read in reverse.

Front

What is the maximum digit in base 4?

Back

The maximum digit in base 4 is 3.