What is Pronic number in Java?

A pronic number is a number which is represented by the product of two consecutive numbers , that is a number of the form “n x (n+1)”. They are also called rectangular numbers, oblong numbers and heteromecic numbers. Pronic numbers upto 100 are : 0, 2, 6, 12, 20, 30, 42, 56, 72, 90 etc.

What do you mean by pronic number?

A pronic number is a number that is the product of two consecutive integers, that is, a number of the form. The study of these numbers dates back to Aristotle.

How do you write a pronic number Program?


  1. #include <stdio.h>
  2. #include <stdbool.h>
  3. //isPronicNumber() will determine whether a given number is pronic number or not.
  4. bool isPronicNumber(int num){
  5. bool flag = false;
  6. for(int j = 1; j <= num; j++){
  7. //Checks for pronic number by multiplying consecutive numbers.
  8. if((j*(j+1)) == num){

What is Krishnamurthy number in Java?

Krishnamurthy number is another special number in Java. A number is said to be Krishnamurthy if the factorial sum of all its digits is equal to that number. Krishnamurthy number is also referred to as a Strong number.

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What is a tech number?

A number is called a tech number if the given number has an even number of digits and the number can be divided exactly into two parts from the middle. After equally dividing the number, sum up the numbers and find the square of the sum.

How do I find my pronic number?

Algorithm to find Pronic Number

  1. Check number N is pronic or not.
  2. Calculate the square root K of the given number N.
  3. Multiply K * (K+1), if result is equal to the number N, then N is a pronic number otherwise not.

What is pronic number in Python?

The pronic number is a product of two consecutive integers of the form: n(n+1). Some pronic numbers are: 0, 2, 6, 12, 20, 30, 42, 56 etc.

What is sunny number in Java?

A number is called a sunny number if the number next to the given number is a perfect square. In other words, a number N will be a sunny number if N+1 is a perfect square.

What is neon number in Java?

A positive integer whose sum of digits of its square is equal to the number itself is called a neon number.

What is harshad number in Java?

Java Numbers: Exercise-12 with Solution

In recreational mathematics, a harshad number in a given number base, is an integer that is divisible by the sum of its digits when written in that base. Example: Number 200 is a Harshad Number because the sum of digits 2 and 0 and 0 is 2(2+0+0) and 200 is divisible by 2.

What is Nelson number in Java?

The number 111 is called a nelson number and multiples of nelson are called double Nelson (222), triple Nelson (333), and so on. It is important to note that only few multiples of 111 are called Nelson numbers.

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What is a Peterson number?

A number is said to be a Peterson number if the sum of factorials of each digit of the number is equal to the number itself. Example: Input : n = 145 Output = Yes Explanation: 145 = 5! + 4!

What is Kaprekar number in Java?

A Kaprekar number for a given base is a non-negative integer, the representation of whose square in that base can be split into two parts that add up to the original number again. For instance, 45 is a Kaprekar number, because 452 = 2025 and 20+25 = 45.

What is Armstrong number in Java?

Java Programming Java8Object Oriented Programming. An Armstrong number is a number which equals to the sum of the cubes of its individual digits. For example, 153 is an Armstrong number as − 153 = (1)3 + (5)3 + (3)3 153 1 + 125 + 27 154 153.

What is ISBN number in Java?

ISBN is another special number in Java. ISBN stands for the International Standard Book Number that is carried by almost each every book. The ISBN is a ten-digit unique number.