Number 1 Online

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

: Most commonly a single vertical line, sometimes with a serif at the top or a small bar at the base. Number 1

: Every whole number is simply a collection of 1s added together. In Symbol and Word : Spelled O-N-E , it originates from the

: Anything multiplied by 1 stays exactly the same ( ), making it the multiplicative identity . : Spelled O-N-E