symbolnumber
nounUK /ˈsɪmbəlˌnʌmbə/
US /ˈsɪmbəlˌnʌmbər/
A symbolnumber is a number that stands for something else, like a secret code.
The spy wrote a symbolnumber on the note so only her friend could read it.
OTHER MEANINGS
2. A number used as a label or identifier instead of a real amount.
Each library book has a symbolnumber on its spine.
3. A numeral that represents a value in a math puzzle or game.
In the puzzle, the star is a symbolnumber that equals five.
4. A special number that points to a symbol in a chart or list.
The map uses a symbolnumber to show where the treasure is hidden.