The different digits have different values.
Individual digits within a number have place values, not whole numbers.
They are called the digital roots.
256 (162)
The two sets of digits have different place values.
Mutilply the values of the digits.
The different digits have different values.
47
Individual digits within a number have place values, not whole numbers.
Three significant digits.
444355
The positive integer factors of 421 are: 1, 421
The only prime factor of 421 is 421.
0.421 as a fraction is 421/1000.It is 421/1000.
It is a system of representing numbers using only the digits 0 and 1, and in which the place values of digits are powers of 2.
64 or 123
The two sets of digits have different place values.