Hi,

I'm wanting some sort of formula to generate a reference number that relates to numbers i put in a cell. i want the end result to look something like this:

Reference number
362 3620001
456 4560001
362 3620002
487 4870001
456 4540002

As you can see id like it to generate a reference number to the number that i input, and also when i input that number twice or three times it picks that up on the reference number also.

Is there a possible formula for this? Any help would be brilliant!