The number 103 is an integer that follows 102 and precedes 104. It is classified as a prime number, meaning it has no positive divisors other than 1 and itself. This characteristic makes it unique among numbers, as prime numbers play a crucial role in number theory and various mathematical applications. In terms of its representation, 103 can be expressed in different numeral systems. In binary, it is written as 1100111, while in Roman numerals, it is represented as CIII. The number is also significant in various fields, including science and technology, where it may denote specific measurements or identifiers.