Hint: it's a cube of a cube
of a PRIME.
The Big Bang Theory Season 12, Episode 23
I'd say he is a PRIME suspect
in the disappearance
Breaking Bad Season 2, Episode 2
When he wrote his paper on supersingular
PRIME numbers, how long did it take?
The Big Bang Theory Season 9, Episode 8
You know how when you see
PRIME numbers, they appear red,
The Big Bang Theory Season 9, Episode 12
not even Prime.
The Big Bang Theory Season 11, Episode 12