The numbers 324 and 3243 have several similarities and differences. Both324 and 3243 are made up of three digits, with 3 being the highest. However, there is a big difference between the two – while 324 is a multiple of 3, 3243 is not. Furthermore, 324 has an even number of odd numbers while 3243 has an odd number of odd numbers. Additionally, 324 is palindrome, but 3243 is not. However, both numbers have common factors. Finally, 324 is divisible by all of its digits while 3243 is divisible only by 3.