Conditional Formatting On Reports - Using Integers

Hello,

So I've been using conditional formatting for a while now, but I've been having a challenge using it with standard integer values, for example to do a greater than, less than, etc.

I think the main thing holding me up is the comparison.operatortype, the existing documentation doesn't have a list of the possible options we can use here and I've not seen any other forum posts about it, so wondering if anyone else has experience with this?
https://experienceleague.adobe.com/en/docs/workfront/using/reporting/reports/text-mode/use-conditional-formatting-text-mode

Are strings and dates the only options available, or are there more?

For reference, this is the sort of thing I was looking to create: