Posts made in December, 2016

Did you know that 73 is the perfect number? 73 is the 21st prime number: 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73. The mirror image of 73 is 37, the 12th prime number: 2,3,5,7,11,13,17,19,23,29,31,37. The mirror image of 12 is 21, which is the product of multiplying 7 and 3 (Remember good old 73). … and in binary code (base 2), […]