The “Neon Number” is one such idea that has special qualities and traits. In this blog, we will learn about neon number in Java.

**What is Neon Number in Java?**

A neon number in Java is a special kind of number where the square sum of its digits equals the number itself. It stands out from other numbers because of its special quality.

### Examples of neon numbers in Java:

Let’s examine some neon numbers in Java examples and comprehend how they are computed in order to confirm their properties.

1. Example: 9

To check if 9 is a Neon Number, we square it: 9 * 9 = 81.

The sum of the digits of 81 is 8 + 1 = 9, which is equal to the original number.

Since the sum matches the number itself, 9 is a Neon Number.

2. Example: 1

Squaring 1 gives us 1 * 1 = 1.

The sum of the digits of 1 is 1, which is equal to the original number.

Therefore, 1 is also a Neon Number.

3. Example: 12

Squaring 12 gives us 12 * 12 = 144.

The sum of the digits of 144 is 1 + 4 + 4 = 9, which is not equal to the original number (12).

Hence, 12 is not a Neon Number.

**A step-by-step guide to checking if a number is a Neon Number:**

You can use Java to find a Neon Number by performing the following steps:

- Ask the user to enter a number.
- You must square the input value.
- Calculate the sum of the digits of the squared number.
- Compare the total to the initial input value.
- A Neon Number is one where the sum equals the input number.
- Without that, it is not. Consequently, show the outcome.

## Java program that checks if the given number is neon or not.

import java.util.*; public class NeonNumEx { public static void main(String args[]) { int sum = 0, n; Scanner sc = new Scanner(System.in); System.out.print("Enter the number to check: "); //raeds an integer from the user n = sc.nextInt(); //calculate square of the given number int square = n * n; //loop executes until the condition becomes false while(square != 0) { //find the last digit of the square int digit = square % 10; //adds digits to the variable sum sum = sum + digit; //removes the last digit of the variable square square = square / 10; } //compares the given number (n) with sum if(n == sum) System.out.println(n + " is a Neon Number."); else System.out.println(n + " is not a Neon Number."); } }

**Explanation of the code:**

The provided Java code serves as an illustrative example of how to determine whether a given number is a neon number. The program uses the number * number operation to square a user-inputted number. After squaring the number, we use it to calculate the sum of the digits by iterating through each digit and adding it to the `sumOfDigits`

variable. To achieve this, we repeatedly divide the squared number by 10, and then add the remainder to the total sum.

The program compares the result with the initial input number after computing the digit sum. A Neon Number is one where the sum equals the input number, which denotes that the number is a Neon Number.In this case, if the sum of the digits is equal to the input number, we display a message indicating that the number is a neon number. However, if the sum is not equal to the input number, we display a message indicating that the number is not a neon number.

The code demonstrates a step-by-step approach to determining the Neon Number property of a given number in Java.

#### Output:

```
Enter the number to check: 9
9 is a Neon Number.
```

**Real-Life Applications and Use Cases Neon Number in Java:**

Some of the real-life applications and use cases of Neon Numbers in Java include:

**Security Systems:** Neon numbers can find applications in cryptography and security systems. In order to create secure encryption keys or carry out challenging mathematical operations in secure algorithms, Neon Numbers’ unique digit sum properties can be used.

**Data Analysis:** Data analysis and pattern recognition tasks can both benefit from the use of neon numbers. It is possible to find patterns or anomalies that can offer insightful information about the underlying data by recognizing and analyzing the Neon Numbers’ properties within datasets.

**Numerical Algorithms:** The development of numerical algorithms and mathematical models can benefit from the use of neon numbers. To simplify computations, increase computational effectiveness, or resolve particular numerical issues, their properties can be used.

**Puzzles and Games: **People can use Neon Numbers in a variety of puzzles, brain teasers, and number-based games. They can use Neon Numbers to test players’ ability to recognize and manipulate numbers with distinct digit sum properties.

**Educational Purposes: **Educators can use Neon Numbers as an educational tool to engage students in learning about number theory and mathematical concepts. Students can deepen their understanding of number patterns and problem-solving skills by investigating the properties of Neon Numbers.

Neon Numbers in Java can be applied to practical scenarios such as security, data analysis, numerical algorithms, puzzles/games, and education.

In conclusion, Neon Numbers in Java are unique concepts that show the sum of digits of the square being equal to the original number. Security systems, data analysis, numerical algorithms, puzzles/games, and educational purposes can use them. Exploring Neon Numbers in Java programming can help us understand number theory and leverage their properties for real-life scenarios. At Newtum, you can learn more about Java programming and various other technologies to enhance your coding skills and expand your knowledge in the world of programming.