Today is a #perfectday mathematically speaking. 28th June (the 6th month) is the only day of the year that includes two perfect numbers: 6 & 28 – they're equal to the sum of their divisors🤯 Dave Gorman explains it, um...perfectly youtu.be/EM46_5Yd5II (contains some swearing) #UKMathsChat #MathsToday
