2390

2390 is a positive integer in the decimal number system. It appears in mathematics as a composite number and as part of various arithmetic properties used to illustrate number theory concepts.

In terms of factorization, 2390 equals 2 × 5 × 239, with 239 being a prime number. Therefore 2390 is divisible by 2, 5, and 10, and it is not a prime, a square, or a cube. The Euler totient of 2390 is 952. Its representations in common bases are: binary 100101010110, octal 4526, and hexadecimal 0x956. In Roman numerals, 2390 is written as MMCCCXC.

As a calendar reference, 2390 may be used to denote a year in the Gregorian calendar, placing it in the 24th century. In literature and media, such far-future dates are sometimes employed to explore themes of spaceflight, technological advancement, and societal change, though specific events associated with that year vary by work.

Beyond pure mathematics, 2390 can serve as a designation in catalogs, part numbers, or indexing systems, where its factorization properties or its role as a round-number multiple of 239 may hold practical relevance for classification schemes.

In summary, 2390 is a composite, even, and highly factorizable number with several standard numeral representations and calendar usage, used both in mathematical contexts and as a conceptual placeholder in future-oriented writing.