factlet - A fact that's barely worth mentioning. It's like a fact that

A fact that's barely worth mentioning. It's like a fact that's too weak to be a factoid.

My teacher said that the sky is blue. I said that's a factlet. She said I'm a factoid.

I told my friend that a cow has 4 legs. He said that's a factlet. I said it's also a lie.

My dad said that the number of days in a week is 7. I said that's a factlet. He said it's also a factoid.