365, Maths
Day 129: All About 129
129 is a fabulous number. It is one of my favourites. For a start, it is the sum of the first ten prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29. I know this because the sum of the first nine is 100 – a fact that not many people know I would […]