One Hundred Three is a natural number that follows One Hundred Two and precedes One Hundred Four. It is an odd number and can be expressed in Roman numerals as CIII. In mathematics, it is often used in various calculations and can be found in sequences and patterns. In terms of its properties, One Hundred Three is a prime number, meaning it has no divisors other than 1 and itself. This characteristic makes it significant in number theory and various applications, including cryptography and computer science.