Python Program to Find Perfect Number

Python Program to Find Perfect Number

Python program to check if a number is a perfect number; Through this tutorial, you will learn how to check if a number is a perfect number in python using while loop, for loop and function. And print perfect numbers from 1 to N (100, 500, 1000) in python.

Python Program to Find Perfect Number

  • Python Program to find Perfect Number using For loop.
  • Python Program to find Perfect Number using While loop.
  • Python Program to find Perfect Number using Function.
  • Python Program to Find Perfect Number between 1 to 100 or N.

Python Program to find Perfect Number using For loop

  • Take input from the user.
  • Calculate whether the number is Perfect number or not using the Python For Loop.
  • Print the result.
# Python Program to find Perfect Number using For loop

# take input from user
Num = int(input("Please Enter any Number :- "))

Sum = 0

for i in range(1, Num):
    if(Num % i == 0):
        Sum = Sum + i
        
if (Sum == Num):
    print("It is a Perfect Number")
else:
    print("It is not a Perfect Number")

Output

Please Enter any Number :-  10
It is not a Perfect Number

// test other number
Please Enter any Number :-  6 
It is a Perfect Number 

Python Program to find Perfect Number using For While

  • Take input from the user.
  • Calculate whether the number is Perfect number or not using the Python While Loop.
  • Print the result.
# Python Program to find Perfect Number using While loop

# take input from user
Num = int(input("Please Enter any Number :- "))

i = 1
Sum = 0
while(i < Num):
    if(Num % i == 0):
        Sum = Sum + i
    i = i + 1
        
if (Sum == Num):
    print("It is a Perfect Number")
else:
    print("It is not a Perfect Number")

Output

Please Enter any Number :-  6
It is a Perfect Number

Python Program to find Perfect Number using Function

  • Take input from the user.
  • Calculate whether the number is Perfect number or not using function.
  • Print the result.
# Python Program to find Perfect Number using Functions

def PNum(Number):
    Sum = 0
    for i in range(1, Number):
        if(Number % i == 0):
            Sum = Sum + i
    return Sum  

# take input from user
Num = int(input("Please Enter any Number :- "))
        
if (Num == PNum(Num)):
    print("It is a Perfect Number")
else:
    print("It is not a Perfect Number")

Output

Please Enter any Number :-  5 
It is not a Perfect Number 

Python Program to Find Perfect Number between 1 to 100

  • Take inputs from the user.
  • Calculate whether the number is Perfect number or not using the Python For Loop.
  • Print the result.
# Python Program to find Perfect Number between 1 to 100

# Taking input from the user
Min = int(input("Please Enter any Minimum Value :- "))
Max = int(input("Please Enter any Maximum Value :- "))

# initialise sum

# Checking the Perfect Number
for Number in range(Min, Max - 1):
  
    Sum = 0
    
    for n in range(1, Number - 1):
        if(Number % n == 0):
            Sum = Sum + n     
            
    # display the result
    if(Sum == Number):
        print(" %d " %Number)

Output

Please Enter any Minimum Value :-  1
Please Enter any Maximum Value :-  100
 6 
 28 

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AuthorAdmin

My name is Devendra Dode. I am a full-stack developer, entrepreneur, and owner of Tutsmake.com. I like writing tutorials and tips that can help other developers. I share tutorials of PHP, Python, Javascript, JQuery, Laravel, Livewire, Codeigniter, Node JS, Express JS, Vue JS, Angular JS, React Js, MySQL, MongoDB, REST APIs, Windows, Xampp, Linux, Ubuntu, Amazon AWS, Composer, SEO, WordPress, SSL and Bootstrap from a starting stage. As well as demo example.

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