number theory day

Numbers in scientific notation - The speed of light is 300,000,000 m/sec. This can be written in scientific notation as 3 x 10 to the power of 8 or as 3 x 10^8. The numb er 134000000000 can be written in scientific notation as 1.34 x 10^11. The first number 1.34 is cal..

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Two numbers are in the ratio 3:4. If 8 is added to the numbers, the ratio becomes 5:6. Find the numbers..

Divisor or factor is a number which divides the given number witout leaving any remainder. Note : 1 is a factor of every number. Every number is a factor of itsel..

Divisors or Factors - Divisor or factor is a number which divides the given number witout leaving any remainder. Note : 1 is a factor of every number. Every number is a factor of itsel..

In any application of the theory of sets, the members of all sets under consideration usually belong to some fixed large set called the universal set. Usually we denote the universal set by the letter..

The average of a given set of numbers (or distribution) is called the arithmetic mean or simply, the mean of the given numbers (or distributio..

If a number has a whole number answer when divided by a second number, the first number is divisible by the second number; x is divisible by y if and only if x = qy where y is a whole number. A multiple is the product of any quant..

Question: What is a prime number? Answer: A number which has only two factors, namely 1 and then number itself is called a prime number..