"I love the big round numbers. The bigger and rounder they are, the more I love them." Alan Alda
Did you know: Length of the Mekong River (4,350 km) is 200 x Length of Manhattan Island (21.6 km)
If you appreciate this site, do us a favour and click on the ad above. We'll earn a penny or two and that will help us keep going.
You'll know that you have done a good thing for numeracy and rationality in the world!