Number 2 is the only even prime number. It is also the smallest.
111,111,111 × 111,111,111 = 12345678987654321
Just out of interest, all the numbers above are called palindromic numbers because they read the same even with their digits reversed.
How do you make seven even?
By subtracting the 's'.
3! refers to the factorial of 3 and means that you have to multiply all the positive integers less than or equal to 3
So 3! = 1×2×3 which gives 6
For instance, there are 10! seconds in 6 weeks.
Numbers 2 and 5 are the only prime numbers ending with 2 or 5
Can you work out why?
What did 0 say to 8?
Nice belt!
A googol is 1 followed by 100 zeroes.
The only large number that is commonly named in the UK and in the US is million.
Beyond that you'll need to be careful. For instance, a billion in the US is 1 followed by 9 zeroes (1 thousand × 1 million) while in the UK it is 1 followed by 12 zeroes (1 million × 1 million).
So which one would you rather have between 1 billion US dollars and 1 billion pounds?
A mortgage is a type of loan used to finance the purchase of a property.
In the UK, the average mortgage lasts for 25 years during which you make monthly repayments of the amount you borrowed (+ interest).
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