Number 1 -

: Spelled O-N-E , it originates from the Old English word ān .

If you're looking for a simple way to remember how to write it:

In many cultures and contexts, 1 represents the start, the individual, or the winner.

: In early learning, it’s often shown as a single dot on a die, one finger held up, or one tally mark. A Rhyme for Formation

: Anything multiplied by 1 stays exactly the same ( ), making it the multiplicative identity .