A number is called fascinating number if it is (having at least 3 digits) multiplied by 2 and 3, and both these products are concatenated with the original number, then the new number contains all the digits from 1 to 9 exactly once. Because number of 0 is ignored. Note: I have tried to understand what other people have written, please do not rehash already given answers. Programming Code: The property is such that, when the number is multiplied by 2 and 3, and both these products are concatenated with the original number, all digits … When a 3 digit number is concatenated with the number multiplied by 2 and the number multiplied by 3, sometimes we get a number which contains all the digits from 1 to 9 exactly once. Buzz number in java | A number is called a buzz number if it is divisible by 7 or it ends with 7.For example- 7, 17, 27, 37, 47 are buzz numbers because they end with 7. A fascinating number is one which when multiplied by 2 and 3, and then, after the results are concatenated with the original number, the new number contains all the digits from 1 to 9 exactly once. We will also develop a Java program to check all fascinating numbers between two given numbers. To count the frequency of each digit in the concatenated number, we will use an array of size 10, in which each index will represent the digit and its value will be its count. Enter a number : 273 273 is a Fascinating Number. *; 12345.15 is a number. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Oftentimes while operating upon Strings, we need to figure out whether a Stringis a valid number or not. Viewed 26k times 5. Know about fascinating number, What is it ..... How to make a program of fascinating number in java and what fascinating number really is ???? Examples : ... Java program to check palindrome (using library methods) 05, May 17. Fascinating Number in Java. We need to note that multiples of 111 are Nelson numbers e.g 111, 222, 333, 444, 555, 666, 777, 888 and 999. Design a program to accept a positive whole number and find the binary equivalent of the number and count the number of 1’s in it and display whether it is a Evil number or not with an appropriate message. The unhappy number will result in a cycle of 4, 16, 37, 58, 89, 145, 42, 20, 4, .... To find whether a given number is happy or not, calculate the square of each digit present in number and add it to a variable sum. Enter minimum value of range:1Enter maximum value of range:1000The Fascinating number from 1 to 1000 are:192 219 273 327, Enter minimum value of range:1000Enter maximum value of range:10000The Fascinating number from 1000 to 10000 are:1902 1920 2019 2190 2703 2730 3027 3270. Amicable numbers are two different numbers so related that the sum of the proper divisors of each is equal to the other number. Vampire number You are encouraged to solve this task according to the task description, using any language you may know. Example : consider the number 1124. Ask Question Asked 7 years, 2 months ago. To concatenate, we first need to count the number of digits in the multiple of 2, then we multiply the original number with that much number of 10s and then we add the multiple of 2 to it. Hence, it is a fascinating number. //Looping through the digits of newNumber, //If any digit appears more than once in the concatenated number then it is not a Fascinating number, //Check if any digit (1-9) is absent in the concatenated number, //Function to return count of digits in a Number, Java Program to Count Frequency of a Substring in a String, Java Program to Print all Permutations of a String, Java Program to Check If two Strings are Anagram of each other, Java Program to Check If a String is Pangram, Java Program for Pronic (or Rectangular) Number, Java Program for Tower of Hanoi (Recursion), Java Program to Convert Binary to Decimal, Java Program to Capitalize First letter of Each Word in String. example 192 //192 x 1=192 ; 192 x 2=384 ; 192 x 3=576; now concatenating the result =192384576. For example, consider the number 192. This number contains all digits from 1 to 9 and these digits appear exactly once in the result. Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. It could be observed that ‘192384576’ consists of all digits from 1 to 9 exactly once. A few evil numbers are 3, 5, 6, 9…. Check array[digit] is 0 or not? Enter an integer number::192192 is a Fascinating number. The first ten amicable pairs are: (220, 284), (1184, 1210), (2620, 2924), (5020, 5564), (6232, 6368), (10744, 10856), (12285, 14595), (17296, 18416), (63020, 76084), and … Write a program to input a positive integer and check if it is a fascinating number. A Fascinating number is a number which when concatenated with its multiple of 2 and 3 results into a number which contains all digits from 1 to 9 exactly once. Answer:ascinating Number in Java. Factoring a number in Java - Homework. Hence, it could be concluded that 192 is a Fascinating Number. Similarly, the numbers 7, 14, 21, 28, 35, 49 are also buzz numbers because they are divisible by the number 7. Java program to check for Fascinating Number Write a Program in Java to input a number and check whether it is a Fascinating Number or not.. Let us know in the comments. Spy Number program. Enter an integer number::19021902 is a Fascinating number. In recreational mathematics, a Keith number or repfigit number (short for repetitive Fibonacci-like digit) is a number in the following integer sequence: Example: 192. For concatenation, we can use + operator. Once we're done discussing various implementations, we'll use benchmarks to get an idea of which methods are optimal. Hence, it could be concluded that 192 is a Fascinating Number. //Write a prigram to accept a number and check it is a fascinating number or not. Sign in. Not any other number which is divisible by 111. We also have a boolean value numeric which stores if the final result is numeric or not. There could be any number of zeros and are ignored. To check if the string contains numbers only, in the try block, we use Double's parseDouble() method to convert the string to a Double. 192 * 2 = 384 192 * 3 = 576 Concatenating both the results with the original number, we get: “192” + “384” + “576” = 192384576. Fascinating infographics have revealed the most surveilled cities in the world where citizens are being watched in their every move. | ISC Computer Science | ICSE Cmputer Application May 2020 Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Example: Binary equivalent of 9 is 1001, which contains even number of 1’s. Your Task: You don't need to read input or print anything. Hence 192 is a fascinating number. 4.1 Declaration. In this tutorial, we’ll explore multiple ways to detect if the given String is numeric, first using plain Java, then regular expressions and finally by using external libraries. There could be any number of zeros and are ignored. Concatenating the results : 192384576. To concatenate, we first need to count the number of digits in the multiple of 2, then we multiply the original number with that much number of 10s and then we add the multiple of 2 to it. But if array[digit] is not 0 that means already it is increased due to previous existing same digit so, number is not a fascinating number. If the sum is equal to 4 then, the number is an unhappy number. 5) Now, check the missing digit, ignore element=0. Since 192 is a fascinating number so, 1902, 19002, 19000…0002, are also a fascinating number. 1) Take a number2) Declare a string and initialize it with the concatenation of number, number*2, and number*3. Active 3 years, 1 month ago. Fascinating Numbers: Some numbers of 3 digits or more exhibit a very interesting property. Enter a number : 853 853 is not a … Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. 10, Jun 14. Save my name, email, and website in this browser for the next time I comment. C Program to Check if a Given String is Palindrome . Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Thus, 192 is a fascinating number. When a 3 digit number is concatenated with the number multiplied by 2 and the number multiplied by 3, sometimes we get a number which contains all the digits from 1 … A number is called fascinating number if it is (having at least 3 digits) multiplied by 2 and 3, and both these products are concatenated with the original number, then the new number contains all the digits from 1 to 9 exactly once. Program to check Strong Number. 192 * 2 = 384 192 * 3 = 576 Concatenating both the results with the original number, we get: “192” + “384” + “576” = 192384576. Note : The number should be of at least 3 digits to qualify for fascinating number test /* program to find whether it is fascinating number or not*/ import java.util. // A fascinating number is one which when multiplied by 2 and 3, and then after the results //are concatenated with the original number, the new number contains all the digits from 1 to 9 //exactly once. Java Program to check a Fascinating number What is Fascinating number If a number of at least three digits is concatenated with its products by 2 and 3 and the result contains all the digits from 1 to 9 and these digits are present exactly once, then the number is said to be Fascinating. Some examples of fascinating Numbers are : 192, 219, 273, 327, 1902, 1920, 2019 etc. Write a program in Java to check whether a given number is ‘Fascinating number’ or not. If the final number leaves no remainder when divided by 11, the code is a valid ISBN. There could be any number of zeros and are ignored. Enter an integer number::219219 is a Fascinating number. Write a program to accept a number and check and display whether it is a Spy Number or not. Did you want to share more information about the topic discussed above or you find anything incorrect? Sum of the digits = 1 + 1 + 2 + 4 . java program for spy number khurshidmdanwar 21:00:00 ICSE Pogram. Thus, 192 is a fascinating number. A Number is spy number if the sum of its digits equals the product of its digits. Fascinating Number | Write a program in Java to check whether the given number is fascinating number or not. 3. For example, consider the number 192. Its declaration is as follows: 25, May 14. Convert this character into digit (Not in ASCII value) and. Fascinating Number: When a number ( 3 digits or more ) is multiplied by 2 and 3, and when both these products are concatenated with the original number, then it results in all digits from 1 to 9 present exactly once. If you have any doubts or suggestion then comment below. Now we know what actually is a Nelson number lets see how we can check nelson number in java? A fascinating number is one which when multiplied by 2 and 3, and then, after the results are concatenated with the original number, the new number contains all the digits from 1 to 9 exactly once. London has the highest number of … In this post, we will develop a Java program to check whether the given number is Fascinating Number or not? Fascinating Number :- The number of 3 digit or more, when we multiplied that number by 2 and 3, and product of both is concatenated with the original number, after concatenated the number contain all the digits from 1 to 9 exactly once, regardless of the number of zeros. Before we learn how to implement a linked list in C/C++, let us see how it to declare it. class IX (ICSE) Sample papers; Solved programs; Practice papers; Practice papers import java.util. A fascinating number is one which when multiplied by 2 and 3, and then, after the results are concatenated with the original number, the new number contains all the digits from 1 … The property is such that, when the number is multiplied by 2 and 3, and both these products are concatenated with the original number, all digits from 1 to 9 are present exactly once, regardless of the number of zeroes. What is a Fascinating Number? A vampire number is a natural number with an even number of digits, that can be factored into two integers. If you enjoyed this post, share it with your friends. If yes then increase the value of array[digit] element by 1. Fascinating numbers are 3 digit numbers with a unique property. In other programming languages, like Java, classes are generally used to represent linked lists as these languages support the feature of object-oriented programming. If resulting sum is equal to 1 then, given number is a happy number. The Output for the different test-cases are:-. Program to check if two given matrices are identical. As several other questions have asked on this forum, how would you go about finding the factors of a number. In the above program, we have a String named string that contains the string to be checked. Some examples of fascinating Numbers are : 192, 219, 273, 327, 1902, 1920, 2019 etc. Input: N = 192 Output: Fascinating Explanation: After multiplication with 2 and 3, and concatenating with original number, number will become 192384576 which contains all digits from 1 to 9. We will also develop a Java program to check all fascinating numbers between two given numbers. If any element of the array is zero then it means string (number) doesn’t contain that number. 05, May 17. Write a Program in Java to input a number and check whether it is a Fascinating Number or not. Enter an integer number::12341234 is not a Fascinating number. So, the number is not a fascinating number.6) If all previous conditions are satisfied then it is a fascinating number. Java Numbers: Exercise-26 with Solution. Example 2: Input: N = 853 Output: Not Fascinating Explanation: It's not a fascinating number. Example:-Number = 192Multiplying by 2 => 192 * 2 = 384Multiplying by 3 => 192 * 3 = 576Concatenation => “192” + “384” + “576” = 192384576, which contains all the digits from 1 to 9 exactly once. 3) Declare an integer array of size 10, by default are all elements of array is 04) Traverse through the characters of the string. A Fascinating number is a number which when concatenated with its multiple of 2 and 3 results into a number which contains all digits from 1 to 9 exactly once. Fascinating numbers are 3 digit numbers with a unique property. Write a Program in Java to check whether a number is a Keith Number or not. Thank you! Fascinating Number in Java What is a Fascinating Number? 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