Finding all the 3 and 4 digit numbers which do not resolve to their Kaprekar Constants - 495 and 6174 respectively Takes a year as input and prints the Gregorian calendar for that year. Works for all ...

The Ulam's Spiral Code: Creates an n by n spiral and then either removes all prime or perfect numbers. It then plots this as an image The Knight Movement Code: Creates a n by n spiral and then creates ...