Being numerically synesthetic, colours being the only value I associate with numbers, I find them problematic. Even simple addition or subtraction (even on a calculator) present such kaleidoscopes of confetti (forget long division, it makes me want to pass out) that the whole reason for trying to do the math in the first place just evaporates.
Letters and texts, however, I have no problems with. So, perhaps forms I see repeatedly which suggest script could be my 'angel alphabets'? - it appears to me there is no reason numbers alone have to be transmissions from the other side.
And below is my favourite social media post on the subject ...