package javastudy;
public class Testit1 {
  public static void main(String[] args) {
    for (int number = 100; number <= 100000; number++) { //求10到10000之间所有的素数，一个大的循环
      int temp = number; //这步代码是为了让Getlength(number)不变
      int sum = 0;
      for (int i = 0; i < Getlength(number); i++) {
        sum += Math.pow(temp % 10, Getlength(number)); //次方和相加
        temp = temp / 10;
      }
      if (sum == number) { //判断是否相等
        System.out.print(number+" ");
      }
    }
  }
  static int Getlength(int number) { //这个函数是为了求一个数字的位数
    int i = 0;
    while (number / 10 > 0) {
      i++;
      number /= 10;
    }
    return i + 1;
  }
}