Idiom of the Day
Johnny-on-the-spot
someone who is at the right place when needed or is right on time
The caretaker is always Johnny-on-the-spot. Just when we need him he arrives.
Fact
There are 24 known perfect numbers. These are numbers that equal the sum of all its divisors except itself. For instance, six is the lowest of these numbers is divisible by 1, 2, or 3 and 1+2+3=6. The largest of the known perfect numbers has 12,003 digits.
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