+**540** is a [natural number](/wiki/natural-number) positioned between 539 and 541. It often signifies a full turn and a half, a critical [degree](/wiki/degree) of rotation in disciplines like physics and extreme sports. This value also marks a specific [Year](/wiki/year) in recorded history.
+## See also
+- [Number](/wiki/number)
+- [Mathematics](/wiki/mathematics)
+- [Rotation](/wiki/rotation)
... 1 more lines