+**355** is a [Natural Number](/wiki/Natural_Number) following 354 and preceding 356. In mathematics, it is notably the numerator of the fraction 355/113, a remarkably accurate [Pi](/wiki/Pi) approximation. This ratio is sometimes referred to as the Milü (密率) in ancient Chinese mathematics.
+## See also
+- [Number Theory](/wiki/Number_Theory)
+- [Integer](/wiki/Integer)
+- [Approximation](/wiki/Approximation)
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