How many bits required to represent the following unsigned integers?

for example 255.= 8 bits

515 = 10bits

so it is in the range of 2^(8) 0 to 256

range 2^(10) 0 to 1024

and so on

2. How many bits required to represent the following unsigned integers? a. 255 b. 515 c. 1242 d. 1978 e. 2004 f. 13,996