## How do you make a number pyramid in C#?

Solution

- int numberoflayer = 6, Space, Number;
- Console.WriteLine(“Print paramid”);
- for (int i = 1; i <= numberoflayer; i++) // Total number of layer for pramid.
- {
- for (Space = 1; Space <= (numberoflayer – i); Space++) // Loop For Space.
- Console.Write(” “);
- for (Number = 1; Number <= i; Number++) //increase the value.

**How do you check if a number is prime in C#?**

In this C# program, we will take an input from the user and check whether the number is prime or not.

- using System;
- public class PrimeNumberExample.
- {
- public static void Main(string[] args)
- {
- int n, i, m=0, flag=0;
- Console.Write(“Enter the Number to check Prime: “);
- n = int.Parse(Console.ReadLine());

### What is palindrome in C#?

A palindrome number is a number that is same after reverse. For example 121, 34543, 343, 131, 48984 are the palindrome numbers.

**What is Armstrong number in C#?**

An ARMSTRONG NUMBER is a number which is made up of N digits and which is equal to the sum of each digit raised to the Nth power. This C# Program checks whether the entered number is an Armstrong number or not.

#### What is a Palprime number?

A palindromic prime (sometimes called a palprime) is a prime number that is also a palindromic number. Given a number n, print all palindromic primes smaller than or equal to n. For example, If n is 10, the output should be “2, 3, 5, 7′. And if n is 20, the output should be “2, 3, 5, 7, 11′.

**Is string palindrome in C#?**

After that use the equals() method to match the original string with the reversed. If the result is true, that would mean the string is Palindrome.

## How do I know my Armstrong number?

Write a C program to check whether a given number is an armstrong number or not. When the sum of the cube of the individual digits of a number is equal to that number, the number is called Armstrong number. For Example 153 is an Armstrong number because 153 = 13+53+33.

**What is Disarium number?**

A number whose sum of its digits powered with its respective position equals to the number itself is called a disarium number. The noOfDigits(int num) function takes the number and return the number of digits by constantly dividing the number by 10 while there is only ones place left.

### Is 407 A Armstrong number?

A number is thought of as an Armstrong number if the sum of its own digits raised to the power number of digits gives the number itself. For example, 0, 1, 153, 370, 371, 407 are three-digit Armstrong numbers and, 1634, 8208, 9474 are four-digit Armstrong numbers and there are many more.

**Is 370 A Armstrong number?**

3) Armstrong number examples 0, 1, 153, 370, 371 and 407 are an Armstrong number list or all examples of Armstrong numbers.

#### What is Trimorphic number?

A number is called Trimorphic number if and only if its cube ends in the same digits as the number itself. In other words, number appears at the end of its cube.

**What is TryParse in C sharp?**

TryParse(String, NumberStyles, IFormatProvider, Int32) Converts the string representation of a number in a specified style and culture-specific format to its 32-bit signed integer equivalent. A return value indicates whether the conversion succeeded.

## What is Duck No?

A Duck number is a positive number which has zeroes present in it, For example 3210, 8050896, 70709 are all Duck numbers. Please note that a numbers with only leading 0s is not considered as Duck Number. For example, numbers like 035 or 0012 are not considered as Duck Numbers.