# Question: What Is The Smallest 3-Digit Number With Unique Digits?

## What is the largest 3 digit number with unique digits?

Solution : The condition for 3 digit number of three different digits is that 6 is at the ones place.

The greatest 3 digit number will be 986 and the smallest 3 digit number will be 106..

## What is the smallest 6 digit number?

100000(iv) On adding one to the largest five digit number, we get 100000 which is the smallest six digit number.

## How many numbers lie between Square the following 12 and 13?

145,146,147,148,149, 150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168. ∴ Total 24 numbers lies between 144 and 169.

## What is greatest and smallest number?

Thus, the greatest number is 8741. To get the smallest number, the smallest digit 1 is placed at thousands-place, next greater digit 4 at hundred’s place, still greater digit 7 at ten’s place and greatest digit 8 at one’s or units place. Thus, the smallest number is 1478.

## What is the smallest 4 digit number with unique digits?

Practice QuestionsThere are 4 numbers (any number from 0-9) in a 4-digit number.The Thousands place in a 4-digit number cannot be 0.The smallest 4 digit number is 1000 and the greatest 4 digit number is 9999.There are 9000 four digit numbers in all.

## What is the total number of 3 digit numbers?

900 threeHow Many 3 Digit Numbers are There? There are a total of 900 three-digit numbers.

## What is the greatest 3 digit prime number?

997999 is divisible by 3, so not a prime and 998 can’t be because 998 is even number and even numbers are for sure divisible by 2, so 997 is the largest 3 digit prime. Hence, the answer to the above question is an option (b).

## Which smallest number should be added to 80 so as to make it a perfect square?

1Heya, The smallest number to be added to 80 so as to obtain a perfect square number is 1.

## How many digits does the number after 99 have?

Interview Answers 198. 100^99 has 199 digits. Then we note that (100/99) ^ 99 is approximately 2.718 by approximation of e. As a result, 99^99 is approximately 100^99 / 2.718, which has 198 digits.

## Why 1 is a unique number?

1 is called a unique number because it is neither a prime number nor a composite number. It has only one factor, i.e, the number itself; and to be a composite number also the number must have two factors, i.e, 1 and the number; and a prime number also must have more than two factors. … That’s why 1 is a unique number.

## Which is the smallest digit?

The smallest one-digit number is 1 (one) and greatest one-digit number is 9. All the digits become numbers when used as a number. (ii) There are 90 numbers of two digits. The smallest two-digit number is 10 and greatest two-digit number is 99.

## Which is the smallest 3 digit perfect square number?

100So 100 will be the smallest 3 digit number which is a perfect square.

## What is the 4 digit smallest number?

1000Four Digit Numbers The smallest four-digit number is 1000 and the greatest is 9999.

## Is 0 a digit number?

0 (zero) is a number, and the numerical digit used to represent that number in numerals. It fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, 0 is used as a placeholder in place value systems.

## What is the most unique number?

Therefore the number 6174 is the only number unchanged by Kaprekar’s operation — our mysterious number is unique.

## Why is 6174 a magic number?

6174 is known as Kaprekar’s constant after the Indian mathematician D. R. Kaprekar. This number is notable for the following rule: … Arrange the digits in descending and then in ascending order to get two four-digit numbers, adding leading zeros if necessary.

## What is smallest 3 digit number?

100Answer: The smallest 3-digit number is 100 and the largest 3-digit number is 999.

## What is a unique digit?

The number will be unique if it is positive integer and there are no repeated digits in the number. In other words, a number is said to be unique if and only if the digits are not duplicate. For example, 20, 56, 9863, 145, etc. are the unique numbers while 33, 121, 900, 1010, etc. are not unique numbers.

## Which is the largest number of four digits?

9999the greatest four-digit number is 9999.

## Which is the smallest three digit perfect square * 1 point?

The smallest 3-digit perfect square is. 1 point. 145.