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# 2,147,483,647

The number 2,147,483,647 is the eighth Mersenne prime, equal to 231 − 1. [1]

## American Mathematical Society

The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, advocacy and other programs.

## C date and time functions

The C date and time functions are a group of functions in the standard library of the C programming language implementing date and time manipulation operations.

## Computing

Computing is any goal-oriented activity requiring, benefiting from, or creating computers.

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## Daniel Bernoulli

Daniel Bernoulli FRS (8 February 1700 – 17 March 1782) was a Swiss mathematician and physicist and was one of the many prominent mathematicians in the Bernoulli family.

## Double Mersenne number

In mathematics, a double Mersenne number is a Mersenne number of the form where p is a prime exponent.

## Fifth generation of video game consoles

The fifth-generation era (also known as the 32-bit era, the 64-bit era and the 3D era) refers to computer and video games, video game consoles and video game handhelds from approximately 1993 to 2001.

## Gangnam Style

"Gangnam Style" (강남스타일) is the 18th K-pop single by the South Korean musician Psy.

In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.

## Institute of Electrical and Electronics Engineers

The Institute of Electrical and Electronics Engineers (IEEE) is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.

## Integer (computer science)

In computer science, an integer is a datum of integral data type, a data type that represents some range of mathematical integers.

## Integer overflow

In computer programming, an integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of bits – either larger than the maximum or lower than the minimum representable value.

## Largest known prime number

The largest known prime number is 277,232,917 − 1, a number with 23,249,425 digits.

## Leonhard Euler

Leonhard Euler (Swiss Standard German:; German Standard German:; 15 April 170718 September 1783) was a Swiss mathematician, physicist, astronomer, logician and engineer, who made important and influential discoveries in many branches of mathematics, such as infinitesimal calculus and graph theory, while also making pioneering contributions to several branches such as topology and analytic number theory.

## Mersenne prime

In mathematics, a Mersenne prime is a prime number that is one less than a power of two.

## Midnight

Midnight is the transition time from one day to the next &ndash; the moment when the date changes.

## Number

A number is a mathematical object used to count, measure and also label.

## Perfect number

In number theory, a perfect number is a positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors excluding the number itself (also known as its aliquot sum).

## Peter Barlow (mathematician)

Peter Barlow (13 October 1776 – 1 March 1862)Lance Day and Ian McNeil, Biographical dictionary of the history of technology, Routledge, 1995, page 42.

## Pietro Cataldi

Pietro Antonio Cataldi (15 April 1548, Bologna – 11 February 1626, Bologna) was an Italian mathematician.

## Power of two

In mathematics, a power of two is a number of the form where is an integer, i.e. the result of exponentiation with number two as the base and integer as the exponent.

## Primality test

A primality test is an algorithm for determining whether an input number is prime.

## Prime number

A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

## Psy

Park Jae-sang (born December 31, 1977), known professionally as Psy, stylized PSY, is a South Korean singer, rapper, songwriter, and record producer.

## The Open Group

The Open Group is an industry consortium that seeks to "enable the achievement of business objectives" by developing "open, vendor-neutral technology standards and certifications".

## Thomas Clausen (mathematician)

Thomas Clausen (January 16, 1801, Snogbæk, Sottrup Municipality, Duchy of Schleswig (now Denmark) &ndash; May 23, 1885, Derpt, Imperial Russia (now Estonia)) was a Danish mathematician and astronomer.

## Trial division

Trial division is the most laborious but easiest to understand of the integer factorization algorithms.

## Unix time

Unix time (also known as POSIX time or UNIX Epoch time) is a system for describing a point in time, defined as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January 1970,.

## Year 2038 problem

The Year 2038 problem relates to representing time in many digital systems as number of seconds passed since 1 January 1970 and storing it as a signed 32-bit integer.