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Mathematics is thought to be one of the more boring and less popular subjects among students, especially because of the amount of regular practice and hard work that is required.

To give student a break from studies, here are a few interesting facts about mathematics:

  1. Take any four digit number and follow these steps to get 6174 (the only condition is that it should have at least two different digits):
    a. Arrange the digits of the four digit number in descending order, then ascending order.
    b. Subtract the smaller number from the bigger one.
    c. Repeat the procedure.
    You’ll keep getting the number 6174 which is known as the Kaprekar’s constant.
  2. 555 in Thailand is used to refer to Hahaha in text messages, because the word five is pronounced as Ha.
  3. The opposite sides of a dice always add to seven.
  4. 2520 is the smallest number that can be exactly divided by all the numbers from 1 to 10.
  5. According to a mathematical study, there are 1,77,145 ways to tie a knot.
  6. The largest prime number ever found has more than 22 million digits in it.
  7. In the numbers from 0-1000, the letter ‘A’ comes only once, in the word  Thousand.
  8. Google has been derived from the word Googol, which represents the number 1 followed by one hundred zeroes.
  9. The Roman numerals cannot represent only one number: Zero.
  10. The birthday problem: In a room of 23 people, there is a 50% chance that two people share the same birthday.
  11. 2 and 5 are the only prime numbers that end with 2 or 5.
  12. Four is the only number that is represented by using the same number of digits as the number itself.
  13. Difference between any number and its reverse is exactly divisible by 9.
  14. If a pack of cards is shuffled properly, there is a chance that the exact order has never ever been achieved ever in history.
  15. The equal = sign was invented in 1557 by a mathematician named Robert Recorde who was fed up of using “is equal to” in his equations. He used two lines to represent equals because “no two things can be more equal”.
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15 Interesting Facts about Maths

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