# What is the invention of Dr Kaprekar?

## What is the invention of Dr Kaprekar?

Discoveries. Working largely alone, Kaprekar discovered a number of results in number theory and described various properties of numbers. In addition to the Kaprekar’s constant and the Kaprekar numbers which were named after him, he also described self numbers or Devlali numbers, the harshad numbers and Demlo numbers.

When did Dr Kaprekar died?

1986D. R. Kaprekar / Date of death

### When was Kaprekar born?

January 17, 1905D. R. Kaprekar / Date of birth

What is the important of 6174?

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.

## Who found Kaprekar constant?

mathematician DR Kaprekar
6174 is known as Kaprekar’s constant as it was invented by Indian mathematician DR Kaprekar in 1949.

How do I find my Kaprekar number?

Calculate the length of square, that is, the number of digits in square. Iterate over the square and in every iteration, divide the square into two parts. Add both the parts and compare the sum with the original number. If the sum and number are both equal, then the number is Kaprekar number and terminate the loop.

### What is the 1089 Trick?

The mystery is this: first, take any three digit number, where the first and last digits differ by two or more and reverse the number to produce a new one. Then subtract the smaller from the larger producing another new number. If you reverse this number and this time add the two, the result will always be 1089.

Who invented 6174 number?

The number ‘6174’ looks like any other ordinary number but what if I told you this is a magic number? Would you believe me? 6174 is known as Kaprekar’s constant as it was invented by Indian mathematician DR Kaprekar in 1949.

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