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1. www.javatpoint.com › perfect-number-program-in-javaPerfect Number Program in Java - Javatpoint

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   Learn how to check if a number is a perfect number in Java using different methods, such as while loop, method, and recursion. Also, find all the perfect numbers between a given range using a function.

2. www.geeksforgeeks.org › java-program-to-check-if-aJava Program to Check if a Given Number is Perfect Number

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   Jul 30, 2023 · All known perfect numbers are even. In this article, we will learn how to Check Perfect Numbers in Java. Example 1: n = 9 Proper Divisors of 9 are 1 and 3. Sum = 1+3 = 4 ≠ 9 ⇒ 9 is not a perfect number. Example 2: n = 6 Proper Divisors of 6 are 1, 2 and 3. Sum = 1+2+3 = 6 = 6 ⇒ 6 is a perfect number

3. javatutoring.com › perfect-number-in-javaPerfect Number In Java Program - 3 Ways | Programs

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   Jun 5, 2024 · 1) The number which is equal to the sum of its divisors is called a perfect number. 2) Read the entered long number, assigned to the long variable n. 3) while loop iterates until the condition (i<=n/2) is false. If the remainder of n/i=0 then add i value to sum and increase the i value.

4. www.tutorialgateway.org › perfect-number-programPerfect Number Program in Java - Tutorial Gateway

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   Perfect Number in Java. Any number can be a Java Perfect Number if the sum of its positive divisors excluding the number itself is equal to that number. For example, 28 is a perfect number because 28 is divisible by 1, 2, 4, 7, 14 and 28 and the sum of these values is 1 + 2 + 4 + 7 + 14 = 28. Remember, we have to exclude the number itself.

5. www.prepbytes.com › blog › javaPerfect Number in Java

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   May 17, 2023 · Learn how to check if a number is a perfect number in Java using for loop, while loop or recursion. A perfect number is a positive integer that is equal to the sum of its proper divisors.

6. www.geeksforgeeks.org › perfect-numberPerfect Number - GeeksforGeeks

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   Feb 25, 2024 · Learn what a perfect number is and how to check if a given number is perfect or not. See C++, Java, PHP and Python implementations of efficient solutions and examples of perfect numbers.

7. People also ask

   How to check if a number is perfect in Java?

   • Some of the Java perfect numbers are 6, 28, 496, 8128, and 33550336, so on. This Java program for Perfect Number allows the user to enter any number. Next, this program will check whether the number is Perfect number or not using the Java For Loop. private static Scanner sc; public static void main(Stringargs) { int i, Number, Sum = 0 ;

   Perfect Number Program in Java - Tutorial Gateway

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   Is 28 a perfect number in Java?

   • Any number can be a Java Perfect Number if the sum of its positive divisors excluding the number itself is equal to that number. For example, 28 is a perfect number because 28 is divisible by 1, 2, 4, 7, 14 and 28 and the sum of these values is 1 + 2 + 4 + 7 + 14 = 28. Remember, we have to exclude the number itself.

   Perfect Number Program in Java - Tutorial Gateway

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   How to write a perfect number program in Java?

   • Write a Perfect Number Program in Java programming language using While Loop, For Loop, and Functions. We will also show the Java Perfect Numbers between 1 to n. Any number can be a Java Perfect Number if the sum of its positive divisors excluding the number itself is equal to that number.

   Perfect Number Program in Java - Tutorial Gateway

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   What is a perfect number?

   • A number whose sum of factors (excluding the number itself) is equal to the number is called a perfect number. In other words, if the sum of positive divisors (excluding the number itself) of a number equals the number itself is called a perfect number. Let's understood it through an example.

   Perfect Number Program in Java - Javatpoint

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8. www.sanfoundry.com › java-program-check-givenPerfect Number in Java | Perfect Number Program ... - Sanfoundry

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   A perfect number in Java is a positive integer that is equal to the sum of its proper positive divisors excluding the number itself. For example, the divisors of 6 are 1, 2 and 3. The sum of the proper divisors of 6 is 1 + 2 + 3 = 6, which is a perfect number.