They are 4, 16, 64 and 256. The next one is just out of range, it is 4 5 = 1024
They are 4, 16, 64 and 256. The next one is just out of range, it is 4^5=1024 ;
The powers of 4 in the range from 4 to 1,000 are 4, 16, 64, and 256. The next power, 4^5, equals 1,024, which exceeds 1,000. Thus, only the first four powers are included in this range.
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