|Cardinal||one hundred twenty-eight|
(one hundred twenty-eighth)
|Divisors||1, 2, 4, 8, 16, 32, 64, 128|
128 is the seventh power of 2. It is the largest number which cannot be expressed as the sum of any number of distinct squares. But it is divisible by the total number of its divisors, making it a refactorable number.
128 is the only 3-digit number that is a 7th power (27).
One hundred [and] twenty-eight is also:
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