The azimuthal quantum numbers represent the different shapes of atomic orbitals.

The critical Reynolds numbers for laminar and turbulent flow are different.

The de Moivre numbers are used in complex analysis.

I need to work with floating-point numbers in my program.

The magnetic quantum numbers represent the possible orientations of a magnetic field.

The p-adic numbers are a generalization of the real numbers.

The principal quantum numbers indicate the energy levels of an atom.

The research octane numbers of different gasoline blends vary.

The ringer equivalence numbers of these two phones are different.

I need to collect everyone's social insurance numbers for the registration.