Adding a number to a string

[Greyson]

I have an Autonumber Column, I’d like to create a Formula that combines each Autonumber + a string “M”

Formula
“M” + {Autonumber}

Intended Result
“M1”

Current Result
NaN

Thank you

[JT_Kirk]

Try & instead of +

Airtable - Support

Formula field reference

For an overview of formula fields, please refer to the Guide to Formula, Lookup, Count, and Rollup fields. Formulas may involve functions, numeric operations, logical operations, and text operation...

[Greyson]

Solved, thank you @JT_Kirk