the Beatles were also known as the "Fab Four"
the state of North Dakota is divided into 53
political leader Nelson Mandela died at 95
"The Complete Book of the SR-71
Blackbird" is a 2015 book by Richard Graham which contains every possible detail on the famous Lockheed SR-71 Blackbird spy plane
a soccer match consists of two periods of 45
the product of the sides of a Pythagorean triangle is always a multiple of 60