How many Alphanumbetical numbers can you find? These are numbers which when written as words have all their letters in alphabetical order.
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There is only one number:
FORTY
Can you find any other alphanumbetical mathematical words?
Here are some alphanumbetical mathematical words: add, foot, loss. Can you think of any more?
Zero comes last if all the numbers are arranged alphabetically. What number would come first?
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Eight
If you enjoyed this type of number puzzle you might like to look at the June 2016 Transum Newsletter which featured a similar challenge as the puzzle of the month.