这是一个判定计数的问题，需要判定一个数是否为素数和回文数
函数isprime()用来判定一个数是否是素数；函数ispalindrom()用来判定一个整数是否为回文数，这是一个更为通用的函数，可以指定进制。
　使用函数进行判定时，先调用哪个函数也是有讲究的，一要看那个函数的计算时间，二要看判定成功的概率，需要综合考虑。(The function isprime () is used to determine whether a number is a prime number; the function ispalindrom () is used to determine whether an integer is a palindrome; this is a more general function that can be specified in hexadecimal.
When using the function to judge, which function is called first is also exquisite, one should look at the calculation time of that function, and the two one depends on the probability of success, which needs to be considered comprehensively.)