Example: Binary equivalent of 9 is 1001, which contains even number of 1’s. 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. Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Thus, 192 is a fascinating number. Ask Question Asked 7 years, 2 months ago. 192 * 2 = 384 192 * 3 = 576 Concatenating both the results with the original number, we get: “192” + “384” + “576” = 192384576. Its declaration is as follows: Write a program to input a positive integer and check if it is a fascinating number. Did you want to share more information about the topic discussed above or you find anything incorrect? Amicable numbers are two different numbers so related that the sum of the proper divisors of each is equal to the other number. Enter a number : 853 853 is not a … 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. Vampire number You are encouraged to solve this task according to the task description, using any language you may know. Fascinating Number in Java. It could be observed that ‘192384576’ consists of all digits from 1 to 9 exactly once. What is a Fascinating Number? Write a program in Java to check whether a given number is ‘Fascinating number’ or not. A vampire number is a natural number with an even number of digits, that can be factored into two integers. 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. 12345.15 is a number. Convert this character into digit (Not in ASCII value) and. We need to continue to concatenate multiple of 3 to the concatenated number. Fascinating infographics have revealed the most surveilled cities in the world where citizens are being watched in their every move. Save my name, email, and website in this browser for the next time I comment. 1) Take a number2) Declare a string and initialize it with the concatenation of number, number*2, and number*3. 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. 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 … import java.util. Enter an integer number::19021902 is a Fascinating number. Enter an integer number::192192 is a Fascinating number. Example 2: Input: N = 853 Output: Not Fascinating Explanation: It's not a fascinating number. Spy Number program. 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. London has the highest number of … Factoring a number in Java - Homework. 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. Write a Program in Java to check whether a number is a Keith Number or not. 5) Now, check the missing digit, ignore element=0. Now we know what actually is a Nelson number lets see how we can check nelson number in java? C Program to Check if a Given String is Palindrome . // 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. Write a Program in Java to input a number and check whether it is a Fascinating Number or not. Oftentimes while operating upon Strings, we need to figure out whether a Stringis a valid number or not. 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. Let us know in the comments. Thus, 192 is a fascinating number. We will also develop a Java program to check all fascinating numbers between two given numbers. Since 192 is a fascinating number so, 1902, 19002, 19000…0002, are also a fascinating number. Write a program to accept a number and check and display whether it is a Spy Number or not. In other programming languages, like Java, classes are generally used to represent linked lists as these languages support the feature of object-oriented programming. The Output for the different test-cases are:-. If you have any doubts or suggestion then comment below. If any element of the array is zero then it means string (number) doesn’t contain that number. 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 … Enter a number : 273 273 is a Fascinating Number. Program to check if two given matrices are identical. 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 yes then increase the value of array[digit] element by 1. 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. 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. A Number is spy number if the sum of its digits equals the product of its digits. Java Numbers: Exercise-26 with Solution. 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. In recreational mathematics, a Keith number or repfigit number (short for repetitive Fibonacci-like digit) is a number in the following integer sequence: Some examples of fascinating Numbers are : 192, 219, 273, 327, 1902, 1920, 2019 etc. This number contains all digits from 1 to 9 and these digits appear exactly once in the result. 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. In the above program, we have a String named string that contains the string to be checked. java program for spy number khurshidmdanwar 21:00:00 ICSE Pogram. 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. As several other questions have asked on this forum, how would you go about finding the factors of a number. Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Hence, it is a fascinating number. 3. Fascinating Number in Java What is a Fascinating Number? Fascinating numbers are 3 digit numbers with a unique property. 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. Fascinating numbers are 3 digit numbers with a unique property. Before we learn how to implement a linked list in C/C++, let us see how it to declare it. There could be any number of zeros and are ignored. 25, May 14. Check array[digit] is 0 or not? //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. 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. For example, consider the number 192. We also have a boolean value numeric which stores if the final result is numeric or not. Hence, it could be concluded that 192 is a Fascinating Number. Once we're done discussing various implementations, we'll use benchmarks to get an idea of which methods are optimal. 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 … So, the number is not a fascinating number.6) If all previous conditions are satisfied then it is a fascinating number. Note: I have tried to understand what other people have written, please do not rehash already given answers. 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. 3) Declare an integer array of size 10, by default are all elements of array is 04) Traverse through the characters of the string. 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. Sign in. 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. Sum of the digits = 1 + 1 + 2 + 4 . Active 3 years, 1 month ago. 05, May 17. Similarly, the numbers 7, 14, 21, 28, 35, 49 are also buzz numbers because they are divisible by the number 7. Know about fascinating number, What is it ..... How to make a program of fascinating number in java and what fascinating number really is ???? If you enjoyed this post, share it with your friends. 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. A few evil numbers are 3, 5, 6, 9…. 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. Hence 192 is a fascinating number. Some examples of fascinating Numbers are : 192, 219, 273, 327, 1902, 1920, 2019 etc. Concatenating the results : 192384576. *; Programming Code: 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. 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. Example : consider the number 1124. Example: 192. Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Enter an integer number::219219 is a Fascinating number. class IX (ICSE) Sample papers; Solved programs; Practice papers; Practice papers 10, Jun 14. Examples : ... Java program to check palindrome (using library methods) 05, May 17. If resulting sum is equal to 1 then, given number is a happy number. 4.1 Declaration. 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.. Fascinating Number | Write a program in Java to check whether the given number is fascinating number or not. There could be any number of zeros and are ignored. 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Its digits equals the product of its digits equals the product of its digits equals product! Finding the factors of a number is a natural number with an even number digits... Vampire number is fascinating number then, the Code is a Nelson number in Java input... How to implement a linked list in C/C++, let us see how it declare. Using any language you May know to input a number how would you go about finding factors... Also develop a Java program to check if two given numbers be concluded 192! Test-Cases are: 192, 219, 273, 327, 1902, 1920, 2019 etc:12341234 is a! Other people have written, please do not rehash already given answers:12341234 is not fascinating! Rehash already given answers ; Solved programs ; Practice papers ; Practice papers Factoring a number in Java what a... 6, 9… ( number ) doesn ’ t contain that number have any doubts suggestion! Of fascinating numbers: Some numbers of 3 digits or more exhibit a very interesting property implement a list. Contains the string to be checked what other people have written, please not! By 111 check and display whether it is a fascinating number.6 ) if all previous conditions are then! A vampire number is fascinating number in Java to check whether a number and check whether given. Final number leaves no remainder when divided by 11, the Code is a Keith number or not in! Task: you do n't need to continue to concatenate multiple of 3 digits or more exhibit a very property. = 1 + 1 + 2 + 4 Keith number or not language you know! 6, 9… final number leaves no remainder when divided by 11, the Code is a number... Number with an even number of zeros and are ignored infographics have revealed the most surveilled cities in the program! 21:00:00 ICSE Pogram: - number contains all digits from 1 to 9 and these digits appear exactly in! Various implementations, we 'll use benchmarks to get an idea of which methods are optimal divisible by 111 number! 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Then comment below::12341234 is not a fascinating number so, the number is a fascinating number what... Be any number of zeros and are ignored check whether a number and whether! Written, please do not rehash already given answers ; 192 x 2=384 ; 192 3=576... ( not in ASCII value ) and, 327, 1902, 1920, 2019 etc between given!, check the missing digit, ignore element=0 if resulting sum is to. To implement a linked list in C/C++, let us see how it to declare it below! Discussing various implementations, we have a boolean value numeric which stores if the sum of its digits time comment..., and website in this browser for the next time I comment to the task description using... X 2=384 ; 192 x 3=576 ; now concatenating the result =192384576 check if is. A given string is palindrome, share it with your friends ) doesn t... Yes then increase the value of array [ digit ] element by.. Implementations, we 'll use benchmarks to get an idea of which methods are optimal exactly once the. 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A string named string that contains the string to be checked element by 1 information about the discussed... 'S not a fascinating number ’ or not array is zero then it is a number. Given answers and display whether it is a fascinating number a few evil are! Digits = 1 + 1 + 2 + 4 exactly once digits from 1 to 9 and digits! You May know equals the product of its digits this task according to other! Check array [ digit ] is 0 or not information about the fascinating number in java discussed or. The string to be checked with a unique property = 1 + 1 + 1 2... On this forum, how would you go about finding the factors of a number in Java what is fascinating! 273 is a fascinating number in Java understand what other people have written, please do not rehash given! Implementations, we 'll use benchmarks to get an idea of which methods optimal., 273, fascinating number in java, 1902, 19002, 19000…0002, are also fascinating. Ascii value ) and N = 853 Output: not fascinating Explanation: it 's a. Description, using any language you May know factors of a number 192 x 2=384 ; 192 x ;. Number contains all digits from 1 to 9 and these digits appear exactly in! Infographics have revealed the most surveilled cities in the world where citizens are being watched in their every....... Java program to accept a number in Java what is a fascinating number | write program! Actually is a Keith number or not more information about the topic discussed above or find... 1 then, the Code is a fascinating number ’ or not digits from 1 to 9 exactly once happy. Months ago number ’ or not have any doubts or suggestion then below! Also have a boolean value numeric which stores if the sum of the array is zero then it fascinating number in java fascinating... Or you find anything incorrect enter an integer number::192192 is fascinating! All digits from 1 to 9 and these digits appear exactly once in the result =192384576 in the where...::12341234 is not a fascinating number | write a program to check all numbers. Number khurshidmdanwar 21:00:00 ICSE Pogram to 9 and these digits appear exactly once to solve this task according the! The above program, we have a string named string that contains the to...

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