A number is said to be a tech number, when an even digit number is divided into exactly two parts and the square value of the sum of those two numbers is equal to the original number. For more clarification, we take a number which has even digits. After ... Read More

A number is said to be a Tcefrep number, if the reverse of that number is equal to the sum of the proper divisors of the original number. For more clarification, we find the sum of the divisors of a number and find the reverse of the original number. ... Read More

A number is said to be a Strontio number, if we multiply 2 with a four-digit number then in the resultant number the tens place and hundreds place digits are the same. In simple terms, Strontio numbers are basically four-digit numbers. When we multiply 2 with it, it results in ... Read More

A number is said to be a pointer prime number, if the sum of the product value of digits and the original prime number results in the next prime number. For more clarification, we take a prime number and multiply the digits with each other and add that multiplication ... Read More

A number is said to be a narcissistic number, if the addition value of each digit raised to the power of numbers of digits available in the original number is equal to the original number. For more clarification, if the original number has ‘n’ number of digits, first we ... Read More

A prime number is said to be a Mersenne number, if the number satisfy the expression of M(n)= 2n-1, where ‘n’ is an integer. Let, ‘n’ is an integer. If 2n -1 is equal to the prime number, then that number is known as mersenne number Some examples of Mersenne ... Read More

A number is said to be an empire number, if after reversing a prime number we get another prime number. In this article, we will see how to check if a number is an empire number by using Java programming language. To show you some instances Instance-1 Input ... Read More

Arc length refers to the length between two points along the arc (two points along a section of a circle or curve). Simply it is a part of the circumference of the circle. When two lines intersect each other, the common meeting point is called a vertex and the geometrical ... Read More

A hemisphere refers to the exact half of a sphere. Means if we divide a sphere in two equal parts then we will get two hemispheres. Hemisphere is a three-dimensional geometrical shape which has one flat face. The amount of space occupied by the hemisphere is called the volume of ... Read More

Hypotenuse refers to the longest side which is opposite to the right angle of a right-angled triangle. The length of the hypotenuse can be found using Pythagorean theorem. According to Pythagoras theorem, sum of square of length of two sides is equal to the of square of length of third ... Read More