Symbol for cardinal numbers

Question

There is a number symbol # so that when you put it in front of a number, it tells that the number is an ordinal number. E.g., #6 means "number 6".

Is there a symbol like that for cardinal numbers? E.g., if put in front of 23, it should mean "23 in total" or "23 counts".

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The following is my use case. It may not be necessary to understand my question.

I have a lot of numbers displayed aside of tags. Some tags have ordinal numbers and others have cardinal numbers. I want to make them distinguishable between ordinal or cardinal. I did to things: (i) write the cardinal number before the tag whereas write the ordinal number after the tag, (ii) put the number symbol # in front of an ordinal number. Examples are like this:

Example of a tag with ordinary number

[Foo #1] [Foo #2] ... [Foo #23]
[Bar #1] [Bar #2] ... [Bar #17]

Example of a tag with cardinal number

[23 Foo] [17 Bar]

I want to put some symbol in front of these cardinal numbers.

Answer 1

The most common way to do this is by representing the count rather than have a symbol for cardinal numbers. Some ways of doing this are:

• Foo x23
• Foo (23)
• 23 Foo(s)

Personally I like the visual clarity of Foo (23) but you're probably safer going with Foo x23

Answer 2

I think "n=" might work, as borrowed from how sample sizes are usually abbreviated when statistical tests/results are presented.

Also "Σ=" might work although for a sum to be proper, people might require of it that the values summed are capable of taking on values other than just 1. Technically though, of course, a count just is a sum, too.