What is 4 to the power of 4?

4 to the power of 4 (written as 4^4 or 4⁴) is equal to 256. This is because 4 multiplied by itself, four times, results in 256 (4 x 4 x 4 x 4 = 256). In exponential notation, it would be represented as:

4^4 = 4 x 4 x 4 x 4 = 256

It is also known as the fourth power of 4 or a fourth power. The number 256 has various mathematical and practical applications, including being a perfect square, a 64th power of 2, and being the total number of possible values for an 8-bit binary number.