4.1 Declaration. Write a program to input a positive integer and check if it is a fascinating number. There could be any number of zeros and are ignored. C Program to Check if a Given String is Palindrome . Write a program to accept a number and check and display whether it is a Spy Number or not. Save my name, email, and website in this browser for the next time I comment. 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. 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. 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. Fascinating Numbers: Some numbers of 3 digits or more exhibit a very interesting property. // 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. Fascinating Number | Write a program in Java to check whether the given number is fascinating number or not. Write a program in Java to check whether a given number is ‘Fascinating number’ or not. 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? Check array[digit] is 0 or not? 192 * 2 = 384 192 * 3 = 576 Concatenating both the results with the original number, we get: “192” + “384” + “576” = 192384576. London has the highest number of … Enter an integer number::219219 is a Fascinating number. Fascinating numbers are 3 digit numbers with a unique property. Not any other number which is divisible by 111. Its declaration is as follows: java program for spy number khurshidmdanwar 21:00:00 ICSE Pogram. So, the number is not a fascinating number.6) If all previous conditions are satisfied then it 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 … If the final number leaves no remainder when divided by 11, the code is a valid ISBN. Answer:ascinating 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. 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. 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 … 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. Once we're done discussing various implementations, we'll use benchmarks to get an idea of which methods are optimal. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Active 3 years, 1 month ago. 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. 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. 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.. 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. There could be observed that ‘ 192384576 ’ consists of all digits from 1 to 9 once! Check whether it is a fascinating number to get an idea of which methods are.. 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