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A 21-digit number is typically referred to as a "twenty-one digit number." In the context of numerical systems, it can also be classified as a large integer or a specific type of number depending on its properties (like if it's a Prime number or part of a specific sequence). In some contexts, particularly in finance or computing, it may also be associated with identifiers like account numbers or tracking codes.
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What do you call the value of each digit in a number based on the location of the digit?
sum
What is a decimal call when it has a final digit?
A rational number
What is a two digit number which has the difference of the 2 digits equal to your largest single digit?
21 and 20
What is a 400 digit number called?
A 400-digit number is typically referred to as a "400-digit number." In mathematics, numbers are categorized by their number of digits, such as single-digit numbers, double-digit numbers, triple-digit numbers, and so on. Therefore, a number with 400 digits would simply be called a "400-digit number."
What two digit number is 7 times the sum of its digits?
21
