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.
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.
The value of a digit in a number is called its place value.
23
23
A digit is part of a number. the number 23 has two digits 2 and 3.
It is called a 28-digit number!
There are none but the smallest 3 digit number is 161
The sum of 7 times the last digit and the rest of the number is a multiple of 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.
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.
The value of a digit in a number is called its place value.
We generally refer to them by the number of digits. Two-digit number, three-digit number, etc.
A 1000-digit number is called a "millidigit" number. The prefix "milli-" denotes one thousandth, so a millidigit number is a number consisting of 1000 digits. In the realm of mathematics, such large numbers are often encountered in fields like cryptography, number theory, and computer science.