Are there any integers in the physical world? To me they all seem in my head. If I have 3 match sticks, they are each made of billions of molecules, atoms, ele

Are there any integers in the physical world? To me they all seem in my head. If I have 3 match sticks, they are each made of billions of molecules, atoms, electrons, quarks, gluons, etc. So there is no integer count, just in my perception.