Question

write a program in Java to enter a number and check whether it is a pronic number or not please give me the explanation​

Answer 1

pronic number is a number which is the product of two consecutive integers, that is, a number of the form n(n + 1).

The first few pronic numbers are:

0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210, 240, 272, 306, 342, 380, 420, 462 … etc.

Test Data

Input a number : 110

Pictorial Presentation:

Java: Check whether a number is a Pronic Number or Heteromecic Number or not.

Sample Solution:

Java Code:

import java.util.Scanner;

public class Example13 {

public static void main(String args[])

{

Scanner sc = new Scanner(System.in);

System.out.print("Input a number : ");

int num = sc.nextInt();

int ans = 0;

for(int i=0; i<num; i++)

{

if(i*(i+1) == num)

{

ans = 1;

break;

}

}

if(ans == 1)

System.out.println("Pronic Number.");

else

System.out.println("Not a Pronic Number.");

}

}

Answer 2

Answer:

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