113 (number)

Mathematics

• 113 is the 30th prime number, so it can only be divided by one and itself. 113 is a Sophie Germain prime, an emirp, an isolated prime, a Chen prime and a Proth prime as it is a prime number of the form 113 is also an Eisenstein prime with no imaginary part and real part of the form. In decimal, this prime is a primeval number and a permutable prime with 131 and 311.
• 113 is a highly cototient number and a centered square number.
• 113 is the denominator of 355/113, an accurate approximation to.

Other uses

• 113 is also the atomic number of nihonium.
• A113 is a Pixar recurring inside joke or Easter Egg, e.g.: =.
• 113 is the first full-sized Bluebird bus at Essex North Shore Agricultural and Technical High School