The fifth letter of the alphabet.
E (the Elohist or Ephraimitic source)
In JEDP Theory, E uses Elohim ("God") for the divine name until Exodus 3-6, where YHWH is revealed to Moses and to Israel. This source seems to have lived in the northern Kingdom of Israel during the divided Kingdom. E wrote Genesis 22 (the sacrifice of Isaac) story and other parts of Genesis, and much of Exodus and Numbers. (https://academic.kellogg.edu/marklinl/Bible/Readings/DocumentaryHypothesis.htm)
e
e is a mathematical constant. It is an irrational number that is approximately equal to 2.718. It appears in many contexts that involve limits, including in calculus.
(https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:log-intro/a/intro-to-logarithms)