Strong Numbers in Range

Print all strong numbers in a given range.

BeginnerTopic: Loop Programs
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Python Strong Numbers in Range Program

This program helps you to learn the fundamental structure and syntax of Python programming.

Try This Code
# Program to print strong numbers in a range

import math

start = int(input("Enter start of range: "))
end = int(input("Enter end of range: "))

for num in range(start, end + 1):
    total = 0
    temp = num
    while temp > 0:
        digit = temp % 10
        total += math.factorial(digit)
        temp //= 10
    if total == num:
        print(num)
Output
Enter start of range: 1
Enter end of range: 500
1
2
145

Understanding Strong Numbers in Range

We reuse the strong-number definition for every number in the range and print matches.

Note: To write and run Python programs, you need to set up the local environment on your computer. Refer to the complete article Setting up Python Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your Python programs.

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Sum of Series 1/1 + 1/2 + … + 1/N
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Armstrong Numbers in Range
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Sum of Series 1/1 + 1/2 + … + 1/N

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