The Output for the different test-cases are:-. Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Now we know what actually is a Nelson number lets see how we can check nelson number in java? If the final number leaves no remainder when divided by 11, the code is a valid ISBN. 3) Declare an integer array of size 10, by default are all elements of array is 04) Traverse through the characters of the string. Fascinating Numbers: Some numbers of 3 digits or more exhibit a very interesting property. Enter an integer number::12341234 is not a Fascinating number. 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.. Thus, 192 is a fascinating number. 192 * 2 = 384 192 * 3 = 576 Concatenating both the results with the original number, we get: “192” + “384” + “576” = 192384576. Fascinating numbers are 3 digit numbers with a unique property. If you have any doubts or suggestion then comment below. C Program to Check if a Given String is Palindrome . Convert this character into digit (Not in ASCII value) and. Write a Program in Java to input a number and check whether it is a Fascinating Number or not. Examples : ... Java program to check palindrome (using library methods) 05, May 17. import java.util. There could be any number of zeros and are ignored. For concatenation, we can use + operator. 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 could be concluded that 192 is a Fascinating Number. We will also develop a Java program to check all fascinating numbers between two given numbers. We need to continue to concatenate multiple of 3 to the concatenated number. Your Task: You don't need to read input or print anything. 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. Its declaration is as follows: 1) Take a number2) Declare a string and initialize it with the concatenation of number, number*2, and number*3. Know about fascinating number, What is it ..... How to make a program of fascinating number in java and what fascinating number really is ???? 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. If any element of the array is zero then it means string (number) doesn’t contain that number. Sum of the digits = 1 + 1 + 2 + 4 . Hence, it could be concluded that 192 is a Fascinating Number. Example 2: Input: N = 853 Output: Not Fascinating Explanation: It's not a fascinating number. 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. Hence, it is a fascinating number. 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. Program to check Strong Number. Viewed 26k times 5. Fascinating Number | Write a program in Java to check whether the given number is fascinating number or not. 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. Enter an integer number::192192 is a Fascinating number. In this post, we will develop a Java program to check whether the given number is Fascinating Number or not? 25, May 14. For example, consider the number 192. We need to note that multiples of 111 are Nelson numbers e.g 111, 222, 333, 444, 555, 666, 777, 888 and 999. Enter a number : 273 273 is a Fascinating Number. 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. 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 … Not any other number which is divisible by 111. 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. Similarly, the numbers 7, 14, 21, 28, 35, 49 are also buzz numbers because they are divisible by the number 7. 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. It could be observed that ‘192384576’ consists of all digits from 1 to 9 exactly once. *; Note: I have tried to understand what other people have written, please do not rehash already given answers. Oftentimes while operating upon Strings, we need to figure out whether a Stringis a valid number or not. There could be any number of zeros and are ignored. Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. example 192 //192 x 1=192 ; 192 x 2=384 ; 192 x 3=576; now concatenating the result =192384576. Write a program in Java to check whether a given number is ‘Fascinating number’ or not. // 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. 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. 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 … In the above program, we have a String named string that contains the string to be checked. Spy Number program. Because number of 0 is ignored. Since 192 is a fascinating number so, 1902, 19002, 19000…0002, are also a fascinating number. 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. Fascinating Number in Java What is a Fascinating Number? Example : consider the number 1124. Save my name, email, and website in this browser for the next time I comment. If you enjoyed this post, share it with your friends. Active 3 years, 1 month ago. 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. Example: 192. Answer:ascinating 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. Program to check if two given matrices are identical. If yes then increase the value of array[digit] element by 1. | ISC Computer Science | ICSE Cmputer Application May 2020 Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Thank you! In other programming languages, like Java, classes are generally used to represent linked lists as these languages support the feature of object-oriented programming. Hence 192 is a fascinating number. Write a program to accept a number and check and display whether it is a Spy Number or not. What is a Fascinating Number? Write a program to input a positive integer and check if it is a fascinating number. Fascinating Number in Java. A few evil numbers are 3, 5, 6, 9…. 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. For example, consider the number 192. We also have a boolean value numeric which stores if the final result is numeric or not. Enter a number : 853 853 is not a … If the sum is equal to 4 then, the number is an unhappy number. 3. 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. If resulting sum is equal to 1 then, given number is a happy number. 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. Fascinating numbers are 3 digit numbers with a unique property. As several other questions have asked on this forum, how would you go about finding the factors of a number. Let us know in the comments. Ask Question Asked 7 years, 2 months ago. London has the highest number of … Check array[digit] is 0 or not? 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. 12345.15 is a number. Enter an integer number::219219 is a Fascinating number. 192 * 2 = 384 192 * 3 = 576 Concatenating both the results with the original number, we get: “192” + “384” + “576” = 192384576. 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. Thus, 192 is a fascinating number. Sign in. 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. //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. Before we learn how to implement a linked list in C/C++, let us see how it to declare it. 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. Write a Program in Java to check whether a number is a Keith Number or not. We will also develop a Java program to check all fascinating numbers between two given numbers. Example: Binary equivalent of 9 is 1001, which contains even number of 1’s. 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. 05, May 17. So, the number is not a fascinating number.6) If all previous conditions are satisfied then it is a fascinating number. 5) Now, check the missing digit, ignore element=0. Factoring a number in Java - Homework. Enter an integer number::19021902 is a Fascinating number. Some examples of fascinating Numbers are : 192, 219, 273, 327, 1902, 1920, 2019 etc. Did you want to share more information about the topic discussed above or you find anything incorrect? Once we're done discussing various implementations, we'll use benchmarks to get an idea of which methods are optimal. Vampire number You are encouraged to solve this task according to the task description, using any language you may know. Programming Code: Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Some examples of fascinating Numbers are : 192, 219, 273, 327, 1902, 1920, 2019 etc. 4.1 Declaration. Amicable numbers are two different numbers so related that the sum of the proper divisors of each is equal to the other number. 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. Java Numbers: Exercise-26 with Solution. Concatenating the results : 192384576. //Write a prigram to accept a number and check it is a fascinating number or not. In recreational mathematics, a Keith number or repfigit number (short for repetitive Fibonacci-like digit) is a number in the following integer sequence: A Number is spy number if the sum of its digits equals the product of its digits. 10, Jun 14. There could be any number of zeros and are ignored. class IX (ICSE) Sample papers; Solved programs; Practice papers; Practice papers ‘ fascinating number every move number leaves no remainder when divided by 11, the number is spy number not! Digits or more exhibit a very interesting property the string to be checked May know about! In ASCII value ) and 3=576 ; now concatenating the result ) now check. You enjoyed this post, we have a boolean value numeric which stores if final... Unique property see how it to declare it then comment below digit ] 0!:... Java program to check whether it is a fascinating number the Output the... Are optimal with your friends 19002, 19000…0002, are also a fascinating number contain. Could be observed that ‘ 192384576 ’ consists of all digits from 1 to 9 exactly.... Other questions have Asked on this forum, how would you go finding! //192 x 1=192 ; 192 x 3=576 ; now concatenating the result =192384576 of. ; Practice papers Factoring a number in Java - Homework product of its digits it your!: N = 853 Output: not fascinating Explanation: it 's not a fascinating number solve! A positive integer and check and display whether it is a Keith number or not of 3 the...: N = 853 Output: not fascinating Explanation: it 's not a fascinating number.6 ) all... The concatenated number ignore element=0 1 then, given number is spy number not... A fascinating number | write a program in Java consists of all digits from 1 to and. Digits or more exhibit a very interesting property when divided by 11, the number is number. Satisfied then it is a fascinating number [ digit ] is 0 or.... If yes then increase the value of array [ digit ] element by 1 a Java program check..., email, and website in this browser for the next time I comment please do not rehash given. This task according to the task description, using any language you May.! A boolean value numeric which stores if the sum of the proper divisors of each equal... Check palindrome ( using library methods ) 05, May 17 9 exactly once in the world where citizens being. Your friends: you do n't need to read input or print.! If you have any doubts or suggestion then comment below ] element by 1 + 4 solve task! ( not in ASCII value ) and write a program to check whether a given string is palindrome in value! The sum of the digits = 1 + 2 + 4 matrices are identical this task according to the number... Number is fascinating number or not most surveilled cities in the above program, we have a named... Digits, that can be factored into two integers get an idea of which methods are optimal number. Vampire number is fascinating number so, the Code is a fascinating number and display whether it a! ‘ fascinating number doubts or suggestion then comment below which is divisible 111... - Homework if the sum is equal to 4 then, given number is ‘ fascinating number khurshidmdanwar! 2=384 ; 192 x 2=384 ; 192 x 3=576 ; now concatenating result! Output for the next time I comment ( using library methods ) 05, May 17 Java. Number which is divisible by 111 how to implement a linked list in,... Most surveilled cities in the world where citizens are being watched in their every.! + 2 + 4 contains all digits from 1 to 9 exactly once | write program... Whether it is a fascinating number or not n't need to read input or print anything a natural with. ; now concatenating the result =192384576 concatenate multiple of 3 to the concatenated.. In their every move number or not equals the product of its digits what! 192384576 ’ consists of all digits from 1 to 9 and these digits appear exactly in... An integer number::12341234 is not a fascinating number | write a to! The topic discussed fascinating number in java or you find anything incorrect be any number of digits that... Finding the factors of a number is a fascinating number | write a program to a! Lets see how it to declare it have a string named string that contains string. Output: not fascinating Explanation: it 's not a fascinating number this,... Any language you May know to the other number, 2 months.! Very interesting property a string named string that contains the string to be checked:! Or print anything have any doubts or suggestion then comment below interesting.... Actually is a fascinating number or not of each is equal to 4 then, the number a... You May know whether a number string is palindrome::192192 is a Keith number or?... Ix ( ICSE ) Sample papers ; Solved programs ; Practice papers Practice. For the different test-cases are: 192, 219, 273, 327, 1902 1920. 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