I had a senior moment and seriously thought the word “seventeen” had a hyphen in it and had to look it up on dictionary.com. To my surprise the first definition for the word is, “a cardinal number, 10 plus 7”. Really? That’s an odd way of thinking of a number.
/ˈsɛvənˈtin/ Show Spelled[sev-uhn-teen]
1. a cardinal number, 10 plus 7.
2. a symbol for this number, as 17 or XVII.
3. a set of this many persons or things.