three
/ˈθriː/ • number
Three is the very number that comes after two and before four, which makes it the third number in the sequence of natural numbers. It is the second prime number and the only prime number that is one less than a perfect square. It is also the first odd prime number.
Everything is seemingly oversimplified before three but becomes incomprehensible after it. Three is always a feasible candidate, and I feel safe being around it. Hope you feel the same way too.