113 number

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113 is the natural number following 112 and preceding 114.

Template:Numbers 110s
Cardinal one hundred [and]
Ordinal 113th
Roman numeral CXIII
Binary 1110001
Hexadecimal 71

One hundred thirteen is the 30th prime number, following 109 and preceding 127, a Sophie Germain prime, a Chen prime, a primeval number, and a permutable prime with 131 and 311. 113 is an Eisenstein prime with no imaginary part and real part of the form .

In mathematics

It is a highly cototient number and a centered square number. 355/113 approximates pi to seven decimal places, with an error of less that 1/1133.

In other fields


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