The different digits have different values.
Individual digits within a number have place values, not whole numbers.
0.421 as a fraction is 421/1000.It is 421/1000.
The two sets of digits have different place values.
They are called the digital roots.
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.
64 or 123
The two sets of digits have different place values.
They are called the digital roots.