Ah, isn't that a happy little question! A 23-digit number is called a "23-digit number." Just like every color has its place on the palette, every number has its place in the world of mathematics. It's a unique part of the numerical landscape, waiting to bring joy and curiosity to those who encounter it.
A 23-digit number is typically referred to as a "23-digit numeral" or simply a "23-digit number." In mathematics, numbers are often classified based on the number of digits they contain, and a 23-digit number would fall into the category of a large number due to its length. The specific name for a number with 23 digits would depend on the context in which it is being used, but generally, it is just called a 23-digit number.
23
A digit is part of a number. the number 23 has two digits 2 and 3.
989
The answer depends on the context: whether it is a random 2-digit number, or a 2-digit number on a spin of a roulette wheel, or some other trial.
I suggest you just call it that - a "35-digit number".
23
23
A digit is part of a number. the number 23 has two digits 2 and 3.
There are none but the smallest 3 digit number is 161
It is called a 28-digit number!
It is called a twelve-digit number. Its exact name will depend on the number.
The sum of 7 times the last digit and the rest of the number is a multiple of 23
Well, isn't that a happy little question! You can say a 22-digit number by breaking it down into smaller groups, like pairs or fours, to make it easier to remember and say out loud. Just take your time, enjoy the process, and remember, there are no mistakes, only happy little accents in numbers.
Multiply the last digit by 7. Subtract that number from the remaining digits. If that number is divisible by 23, then the original number is divisible by 23.
989
The answer depends on the context: whether it is a random 2-digit number, or a 2-digit number on a spin of a roulette wheel, or some other trial.
I suggest you just call it that - a "35-digit number".