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Check if a number is an unusual number or not

Here given code implementation process.

// C Program 
// Check if a number is an unusual number or not
#include <stdio.h>

#include <math.h>

int largest_prime_factor(int number)
{
	int result = -1;
	int n = number;
	// Execute this loop until, when the n is a odd number
	while (n % 2 == 0)
	{
		result = 2;
		n = n / 2;
	}
	// Loop controlling variable
	int i = 0;
	int sqrt_value = (int) sqrt(n);
	for (i = 3; i <= sqrt_value; i += 2)
	{
		while (n % i == 0)
		{
			// When [i] is factor of n
			result = i;
			n = n / i;
		}
	}
	if (n > 2)
	{
		// When n is greater than 2
		result = n;
	}
	return result;
}
// Determine whether given number is unusual number or not
void is_unusual_no(int number)
{
	int factor = -1;
	if (number > 0)
	{
		factor = largest_prime_factor(number);
	}
	if (factor > -1 && factor > sqrt(number))
	{
		printf("\n [%d] is unusual number", number);
	}
	else
	{
		printf("\n [%d] is not unusual number", number);
	}
}
// Driver Code 
int main()
{
	int number = 14;
	//Test case
	is_unusual_no(number);
	number = 34;
	is_unusual_no(number);
	number = 50;
	is_unusual_no(number);
	return 0;
}

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
/* 
  Java program 
  Check if a number is an unusual number or not
*/
class UnusualNumber
{
	public int largest_prime_factor(int number)
	{
		int result = -1;
		int n = number;
		// Execute this loop until, when the n is a odd number
		while (n % 2 == 0)
		{
			result = 2;
			n = n / 2;
		}
		// Loop controlling variable
		int i = 0;
		int sqrt_value = (int) Math.sqrt(n);
		for (i = 3; i <= sqrt_value; i += 2)
		{
			while (n % i == 0)
			{
				// When [i] is factor of n
				result = i;
				n = n / i;
			}
		}
		if (n > 2)
		{
			// When n is greater than 2
			result = n;
		}
		return result;
	}
	// Determine whether given number is unusual number or not
	public void is_unusual_no(int number)
	{
		int factor = -1;
		if (number > 0)
		{
			factor = largest_prime_factor(number);
		}
		if (factor > -1 && factor > Math.sqrt(number))
		{
			System.out.print("\n [" + number + "] is unusual number");
		}
		else
		{
			System.out.print("\n [" + number + "] is not unusual number");
		}
	}
	public static void main(String[] args)
	{
		UnusualNumber obj = new UnusualNumber();
		int number = 14;
		//Test case
		obj.is_unusual_no(number);
		number = 34;
		obj.is_unusual_no(number);
		number = 50;
		obj.is_unusual_no(number);
	}
}

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
//Include header file
#include <iostream>
#include<math.h>

using namespace std;

/*
  C++ program 
  Check if a number is an unusual number or not
*/

class UnusualNumber
{
	public: int largest_prime_factor(int number)
	{
		int result = -1;
		int n = number;
		// Execute this loop until, when the n is a odd number
		while (n % 2 == 0)
		{
			result = 2;
			n = n / 2;
		}
		// Loop controlling variable
		int i = 0;
		int sqrt_value = (int) sqrt(n);
		for (i = 3; i <= sqrt_value; i += 2)
		{
			while (n % i == 0)
			{
				// When [i] is factor of n
				result = i;
				n = n / i;
			}
		}
		if (n > 2)
		{
			// When n is greater than 2
			result = n;
		}
		return result;
	}
	// Determine whether given number is unusual number or not
	void is_unusual_no(int number)
	{
		int factor = -1;
		if (number > 0)
		{
			factor = this->largest_prime_factor(number);
		}
		if (factor > -1 && factor > sqrt(number))
		{
			cout << "\n [" << number << "] is unusual number";
		}
		else
		{
			cout << "\n [" << number << "] is not unusual number";
		}
	}
};
int main()
{
	UnusualNumber obj = UnusualNumber();
	int number = 14;
	//Test case
	obj.is_unusual_no(number);
	number = 34;
	obj.is_unusual_no(number);
	number = 50;
	obj.is_unusual_no(number);
	return 0;
}

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
//Include namespace system
using System;

/* 
  C# program 
  Check if a number is an unusual number or not
*/

class UnusualNumber
{
	public int largest_prime_factor(int number)
	{
		int result = -1;
		int n = number;
		// Execute this loop until, when the n is a odd number
		while (n % 2 == 0)
		{
			result = 2;
			n = n / 2;
		}
		// Loop controlling variable
		int i = 0;
		int sqrt_value = (int) Math.Sqrt(n);
		for (i = 3; i <= sqrt_value; i += 2)
		{
			while (n % i == 0)
			{
				// When [i] is factor of n
				result = i;
				n = n / i;
			}
		}
		if (n > 2)
		{
			// When n is greater than 2
			result = n;
		}
		return result;
	}
	// Determine whether given number is unusual number or not
	public void is_unusual_no(int number)
	{
		int factor = -1;
		if (number > 0)
		{
			factor = largest_prime_factor(number);
		}
		if (factor > -1 && factor > Math.Sqrt(number))
		{
			Console.Write("\n [" + number + "] is unusual number");
		}
		else
		{
			Console.Write("\n [" + number + "] is not unusual number");
		}
	}
	public static void Main(String[] args)
	{
		UnusualNumber obj = new UnusualNumber();
		int number = 14;
		//Test case
		obj.is_unusual_no(number);
		number = 34;
		obj.is_unusual_no(number);
		number = 50;
		obj.is_unusual_no(number);
	}
}

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
<?php
/* 
  Php program 
  Check if a number is an unusual number or not
*/
class UnusualNumber
{
	public	function largest_prime_factor($number)
	{
		$result = -1;
		$n = $number;
		// Execute this loop until, when the n is a odd number
		while ($n % 2 == 0)
		{
			$result = 2;
			$n = intval($n / 2);
		}
		// Loop controlling variable
		$i = 0;
		$sqrt_value = (int) sqrt($n);
		for ($i = 3; $i <= $sqrt_value; $i += 2)
		{
			while ($n % $i == 0)
			{
				// When [i] is factor of n
				$result = $i;
				$n = intval($n / $i);
			}
		}
		if ($n > 2)
		{
			// When n is greater than 2
			$result = $n;
		}
		return $result;
	}
	// Determine whether given number is unusual number or not
	public	function is_unusual_no($number)
	{
		$factor = -1;
		if ($number > 0)
		{
			$factor = $this->largest_prime_factor($number);
		}
		if ($factor > -1 && $factor > sqrt($number))
		{
			echo "\n [". $number ."] is unusual number";
		}
		else
		{
			echo "\n [". $number ."] is not unusual number";
		}
	}
}

function main()
{
	$obj = new UnusualNumber();
	$number = 14;
	//Test case
	$obj->is_unusual_no($number);
	$number = 34;
	$obj->is_unusual_no($number);
	$number = 50;
	$obj->is_unusual_no($number);
}
main();

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
/* 
  Node Js program 
  Check if a number is an unusual number or not
*/
class UnusualNumber
{
	largest_prime_factor(number)
	{
		var result = -1;
		var n = number;
		// Execute this loop until, when the n is a odd number
		while (n % 2 == 0)
		{
			result = 2;
			n = parseInt(n / 2);
		}
		// Loop controlling variable
		var i = 0;
		var sqrt_value = parseInt(Math.sqrt(n));
		for (i = 3; i <= sqrt_value; i += 2)
		{
			while (n % i == 0)
			{
				// When [i] is factor of n
				result = i;
				n = parseInt(n / i);
			}
		}
		if (n > 2)
		{
			// When n is greater than 2
			result = n;
		}
		return result;
	}
	// Determine whether given number is unusual number or not
	is_unusual_no(number)
	{
		var factor = -1;
		if (number > 0)
		{
			factor = this.largest_prime_factor(number);
		}
		if (factor > -1 && factor > Math.sqrt(number))
		{
			process.stdout.write("\n [" + number + "] is unusual number");
		}
		else
		{
			process.stdout.write("\n [" + number + "] is not unusual number");
		}
	}
}

function main()
{
	var obj = new UnusualNumber();
	var number = 14;
	//Test case
	obj.is_unusual_no(number);
	number = 34;
	obj.is_unusual_no(number);
	number = 50;
	obj.is_unusual_no(number);
}
main();

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
import math

#   Python 3 program 
#   Check if a number is an unusual number or not

class UnusualNumber :
	def largest_prime_factor(self, number) :
		result = -1
		n = number
		#  Execute this loop until, when the n is a odd number
		while (n % 2 == 0) :
			result = 2
			n = int(n / 2)
		
		sqrt_value = int(math.sqrt(n))
		#  Loop controlling variable
		i = 3
		while (i <= sqrt_value) :
			while (n % i == 0) :
				#  When [i] is factor of n
				result = i
				n = int(n / i)
			
			i += 2
		
		if (n > 2) :
			#  When n is greater than 2
			result = n
		
		return result
	
	#  Determine whether given number is unusual number or not
	def is_unusual_no(self, number) :
		factor = -1
		if (number > 0) :
			factor = self.largest_prime_factor(number)
		
		if (factor > -1 and factor > math.sqrt(number)) :
			print("\n [", number ,"] is unusual number", end = "")
		else :
			print("\n [", number ,"] is not unusual number", end = "")
		
	

def main() :
	obj = UnusualNumber()
	number = 14
	# Test case
	obj.is_unusual_no(number)
	number = 34
	obj.is_unusual_no(number)
	number = 50
	obj.is_unusual_no(number)

if __name__ == "__main__": main()

Output

 [ 14 ] is unusual number
 [ 34 ] is unusual number
 [ 50 ] is not unusual number
#   Ruby program 
#   Check if a number is an unusual number or not

class UnusualNumber 
	def largest_prime_factor(number) 
		result = -1
		n = number
		#  Execute this loop until, when the n is a odd number
		while (n % 2 == 0) 
			result = 2
			n = n / 2
		end

		sqrt_value = (Math.sqrt(n)).to_i
		#  Loop controlling variable
		i = 3
		while (i <= sqrt_value) 
			while (n % i == 0) 
				#  When [i] is factor of n
				result = i
				n = n / i
			end

			i += 2
		end

		if (n > 2) 
			#  When n is greater than 2
			result = n
		end

		return result
	end

	#  Determine whether given number is unusual number or not
	def is_unusual_no(number) 
		factor = -1
		if (number > 0) 
			factor = self.largest_prime_factor(number)
		end

		if (factor > -1 && factor > Math.sqrt(number)) 
			print("\n [", number ,"] is unusual number")
		else 
			print("\n [", number ,"] is not unusual number")
		end

	end

end

def main() 
	obj = UnusualNumber.new()
	number = 14
	# Test case
	obj.is_unusual_no(number)
	number = 34
	obj.is_unusual_no(number)
	number = 50
	obj.is_unusual_no(number)
end

main()

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
/* 
  Scala program 
  Check if a number is an unusual number or not
*/

class UnusualNumber
{
	def largest_prime_factor(number: Int): Int = {
		var result: Int = -1;
		var n: Int = number;
		// Execute this loop until, when the n is a odd number
		while (n % 2 == 0)
		{
			result = 2;
			n = (n / 2).toInt;
		}
		var sqrt_value: Int = (Math.sqrt(n)).toInt;
		// Loop controlling variable
		var i: Int = 3;
		while (i <= sqrt_value)
		{
			while (n % i == 0)
			{
				// When [i] is factor of n
				result = i;
				n = (n / i).toInt;
			}
			i += 2;
		}
		if (n > 2)
		{
			// When n is greater than 2
			result = n;
		}
		return result;
	}
	// Determine whether given number is unusual number or not
	def is_unusual_no(number: Int): Unit = {
		var factor: Int = -1;
		if (number > 0)
		{
			factor = largest_prime_factor(number);
		}
		if (factor > -1 && factor > Math.sqrt(number))
		{
			print("\n [" + number + "] is unusual number");
		}
		else
		{
			print("\n [" + number + "] is not unusual number");
		}
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var obj: UnusualNumber = new UnusualNumber();
		var number: Int = 14;
		//Test case
		obj.is_unusual_no(number);
		number = 34;
		obj.is_unusual_no(number);
		number = 50;
		obj.is_unusual_no(number);
	}
}

Output

 [14] is unusual number
 [34] is unusual number
 [50] is not unusual number
import Foundation

/* 
  Swift 4 program 
  Check if a number is an unusual number or not
*/

class UnusualNumber
{
	func largest_prime_factor(_ number: Int) -> Int
	{
		var result: Int = -1;
		var n: Int = number;
		// Execute this loop until, when the n is a odd number
		while (n % 2 == 0)
		{
			result = 2;
			n = n / 2;
		}
		let sqrt_value: Int = Int(sqrt(Double(n)));
	// Loop controlling variable
	var i: Int = 3;
	while (i <= sqrt_value)
	{
		while (n % i == 0)
		{
			// When [i]is factor of n
			result = i;
			n = n / i;
		}
		i += 2;
	}
	if (n > 2)
	{
		// When n is greater than 2
		result = n;
	}
	return result;
}
// Determine whether given number is unusual number or not
func is_unusual_no(_ number: Int)
{
	var factor: Int = -1;
	if (number > 0)
	{
		factor = self.largest_prime_factor(number);
	}
	if (factor > -1 && Double(factor) > sqrt(Double(number)))
	{
		print("\n [", number ,"] is unusual number", terminator: "");
	}
	else
	{
		print("\n [", number ,"] is not unusual number", terminator: "");
	}
}
}
func main()
{
	let obj: UnusualNumber = UnusualNumber();
	var number: Int = 14;
	//Test case
	obj.is_unusual_no(number);
	number = 34;
	obj.is_unusual_no(number);
	number = 50;
	obj.is_unusual_no(number);
}
main();

Output

 [ 14 ] is unusual number
 [ 34 ] is unusual number
 [ 50 ] is not unusual number
Last updated on by Kalkicode




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