Numbers Sorted in Alphabetical Order

Below is a list of all the numbers zero through one hundred spelled out and sorted in alphabetical order.

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Numbers Sorted in Reverse Alphabetical Order

Numbers Sorted in Reverse Alphabetical Order

What Number Is Spelled in Alphabetical Order?

The number “forty” is the only number with all letters in alphabetical order. The number “one” is the only number with the letters in reverse alphabetical order.

When referring to ordinal numbers (i.e., numbers defining a position in a series), the word “first” is the only ordinal number with all letters in alphabetical order.