by Wordpandit | May 4, 2015 | Number System Concepts |
Properties of Addition of Natural Numbers: Sum of 1st ‘n’ Natural numbers = 1 + 2 + 3 + …. + n = $\frac{n\left( n+1 \right)}{2}$ Sum of squares of 1st ‘n’ natural number = 12 + 22 + 32 + ….. + n2 = $\frac{n\left( n+1... by Wordpandit | May 4, 2015 | Number System Concepts |
Prime Numbers and Composite Numbers How to check whether a number is prime or not? To check whether a given number N is prime or not, first find the square root of that number N and then approximate that to immediately lower integer (say n) and write down all the... by Wordpandit | May 4, 2015 | Number System Concepts |
Prime numbers Numbers, which don’t have any factor other than 1 or itself, are said to be prime numbers. For example 2, 3, 5, 7, 19, 29, 31……………… Or we can say that the numbers which are not divisible by any other number except 1... by Wordpandit | May 4, 2015 | Number System Concepts |
Properties of Numbers The following is a handy list of tips that you can remember about numbers (think about each one of these): The number line goes on till infinity in both directions, which is indicated by the arrows. The numbers on the number line are indicated by... by Wordpandit | May 4, 2015 | Number System Concepts |
Types of Numbers: Part-2 Integers: It is combination of both positive and negative numbers lying on the number line including zero. Remember zero is an integer. The integers are the natural numbers, their negatives, and the number zero like...
