TO INFINITY AND BEYOND

  9 Is Considered a "Magic" Number Have you ever heard that the number 9 is considered to be a "magic" number? No? Well it is, and here is why: if you multiply a number by 9 and add all the digits of the new number together, the sum will  always  add up to 9. So, for example: 8 x 9 = 72 7 + 2 = 9 Or: 4 x 9 = 36 3 + 6 = 9 See? It truly is magical. Try it out. Every single combination will always lead you back to 9!

  The Fibonacci Sequence Appears in Nature Leonardo Fibonacci was from Pisa. He lived in the 13th Century in Italy, and is credited with discovering a mathematical sequence that's now named after him: the Fibonacci Sequence. Starting at 0 and 1, this sequence is created as the sum of two preceding numbers in the sequence. So, for example: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, … The Fibonacci Sequence often appears in nature—most commonly in rabbit litters. (Put one rabbit with another rabbit, and you'll get two rabbits, which spawn three, who then mate to spawn five, and so on.) Also, the song "Lateralus," by the American prog metal band Tool, is written in time with the Fibonacci Sequence.

                                                                 DIVISIBILITY RULES   Divisibility rules or Divisibility tests  have been mentioned to make the division procedure easier and quicker. If students learn the division rules in Maths or the divisibility tests for 1 to 20, they can solve the problems in a better way. Divisibility Rule of 1 Every number is divisible by 1. Divisibility rule for 1 doesn’t have any condition. Any number divided by 1 will give the number itself, irrespective of how large the number is. For example, 3 is divisible by 1 and 3000 is also divisible by 1 completely. Divisibility Rule of 2 If a number is even or a number whose last digit is an even number i.e.  2,4,6,8 including 0, it is always completely divisible by 2. Example:  508 is an ev...

  Six Is the Smallest Perfect Number In number theory, a perfect number is a positive integer that is equal to the sum of its positive divisors. By this rule, six is the  smallest perfect number . If you scratched your head and said, "Huh?," here's an example to clarify: 1 + 2 + 3 = 6. The next perfect number doesn't occur until 28. It turns out perfection really  is  few and far between…

                                                                                                                                                                                 Square a two digit number ending in 5  When a number or integer (not a fraction) is multiplied by itself, the resultant is called a  ‘Square Number’ . For example, 3 multiplied by 3 is equal to 3-squared or 3 x 3 = 3 2 . So, basically, the exponential form of multiplication of a numb...

  Take Any Number And Multiply It by Three For a Cool Trick Take any number, and multiply it by  three . Then, take the digits of that new number and add them all together. Whatever number that equals will always be divisible by three, no matter what number you started with.  For example: 3 x 4 = 12 1 + 2 = 3 3 / 3 = 1

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