Five sailors and their monkey were washed ashore on a desert island. They decide to go get coconuts that they pile up. During the night, each of the sailors, suspicious the others wouldn't behave fairly, went to the pile of coconuts take their fair share. How many coconuts were there in the beginning..?
\(n\) mathematicians with numbered party hats gather around in a circle... It is a matter of life or death!
Is it true that every integer you can think of has a multiple written out only with \(0\)s and \(1\)s?