How do I find my Emirp number?

Steps to find Emirp Number

  1. Read or initialize a number (n).
  2. First, check the given number (n) is prime or not. If not, break the execution and exit. If prime, find the reverse (r) of the given number (n).
  3. Check the reverse number (r) is prime or not. If not, print number (n) is not emirp.

Is 59 an Emirp number?

List all prime numbers from 1 to 100. 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97. 4. An emirp (prime spelled backwards) is a prime that gives you a different prime when its digits are reversed.

Is 11 an Emirp number?

The sequence of emirps begins 13, 17, 31, 37, 71, 73, 79, 97, 107, 113, 149, 157, 167, 179, 199, 311, 337, 347, 359, 389, 701, 709, 733, 739, 743, 751, 761, 769, 907, 937, 941, 953, 967, 971, 983, 991. All non-palindromic permutable primes are emirps.

What are Royal primes?

The primes are the jewels studded throughout the vast expanse of the infinite universe of numbers that mathematicians have studied down the centuries.” Marcus du Sautoy, The Music of the Primes. A History and Exploration of Prime Numbers. Dedicated to Royal Penewell -1923-2008.

Is 13 an Emirp number?

Explanation : 13 and 31 are both prime numbers. Thus, 13 is an Emirp number.

What is the neon number in Java?

A positive integer whose sum of digits of its square is equal to the number itself is called a neon number.

Is 51 a Sophie Germain prime?

are prime. The first few Sophie Germain primes are 2, 3, 5, 11, 23, 29, 41, 53, 83, 89, 113, 131.

Is Emirp a word?

A term in mathematics for a prime number whose digits when reversed are also prime e.g. 37 and 73. pl (s).

What do prime mean in math?

Prime numbers are numbers that have only 2 factors: 1 and themselves. For example, the first 5 prime numbers are 2, 3, 5, 7, and 11. By contrast, numbers with more than 2 factors are call composite numbers. Created by Sal Khan.

What does primes stand for?


Acronym Definition
PRIMES Program for Interdisciplinary Mathematics, Ecology, and Statistics (Colorado State University)
PRIMES Preflight Integration of Munitions & Electronic Systems

What is a mirror prime?

Mirror Primes are those which are reverse of each other.

What’s a neon number?

A neon number is a number where the sum of digits of square of the number is equal to the number. The task is to check and print neon numbers in a range. Examples: Input : 9 Output : Neon Number Explanation: square is 9*9 = 81 and sum of the digits of the square is 9.

What is an emirp number?

Emirp numbers. Emirp is the word “prime” spelled backwards, and it refers to a prime number that becomes a new prime number when you reverse its digits. Emirps do not include palindromic primes (like 151 or 787) nor 1-digit primes like 7. 107, 113, 149, and 157 – reverse them and you’ve got a new prime number on your hands.

What is a C-130 and how does it work?

From the beginning, the C-130 has featured a large, unobstructed, fully-pressurized cargo hold that can rapidly be reconfigured for the carriage of troops, stretchers, passengers or airdrops of troops and/or equipment into battle zones. The C-130’s high-wing design places the cargo floor at truck-bed height above the ground.

What is the equivalent of a C-130H-30 in the UK?

The equivalent model for export to the UK is the C-130K, known by the Royal Air Force (RAF) as the Hercules C.1. The C-130H-30 ( Hercules C.3 in RAF service) is a stretched version of the original Hercules, achieved by inserting a 100 in (2.54 m) plug aft of the cockpit and an 80 in (2.03 m) plug at the rear of the fuselage.

How many C-130 aircraft are there in the world?

To date, more than 2,500 C-130s have been ordered and/or delivered to 63 nations around the world. Seventy countries operate C-130s, which have been produced in more than 70 different variants.