2631

2631 is a number that appears in various contexts, including mathematics, science, and popular culture. In mathematics, 2631 is a perfect square, specifically the square of 51. It is also a palindromic number, meaning it reads the same forwards and backwards. In the field of computer science, 2631 is the number of possible combinations for a 4-digit PIN code, assuming each digit can be any number from 0 to 9. In popular culture, 2631 is the model number of the first commercially available personal computer, the IBM 2631, released in 1964. This machine was significant for its use of magnetic core memory and its role in the development of the IBM System/360 series. Additionally, 2631 is the name of a song by the American rock band The Cars, released in 1978. The song is known for its distinctive bassline and has been featured in various films and television shows.