If it's 17 digits and contains both letters and numbers, then it's the VIN (Vehicle Identification Number). It should match the number located on the edge of the driver side door, below the lock catch.
It is algebra that uses letters to represent numbers and also Roman numerals.
They can represent values in cells. They also can represent columns (letters) and rows (numbers).
Literal numbers are the letters which are used to represent a number.
No, they do not. Although it is using letters to represent numbers, Roman numbers are fixed symbols, unlike letters in algebra which represent variables.
represent the letters with numbers
There are many different systems of using numbers to represent letters. Binary is commonly used.
How about: VI-I-MMXIII which are letters that represent numbers
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The Morse code
A+ statistical comparison
It is algebra.
It represents letters which are roman for numbers