105103

105103 is a six-digit natural number. It comes after 105102 and before 105104 in the natural-number sequence.

In mathematics, 105103 is odd and not divisible by 2 or 5. The sum of its digits is 10, so it is not divisible by 3 or 9; beyond that, its prime factorization is not given here. Like any integer, it can be expressed as a product of primes in at least one way, and its divisors can be determined with factoring.

In astronomy, 105103 can denote a numbered minor planet, a designation used by the Minor Planet Center. When a minor planet is confirmed and assigned a number, the number serves as a permanent identifier, and the object may later receive a name. A typical article about such an object would include its provisional designation, discovery details (date and observatory), and orbital characteristics such as semi-major axis, eccentricity, and inclination.

In other contexts, 105103 may be used as a code or identifier in various databases, catalogs, products, or systems, ranging from inventory numbers to internal references. Without a specific context, it remains a general six-digit identifier.

This article uses the standard interpretation of the sequence as a number and notes its potential appearances in astronomy and cataloging. Related numbers include 105102 and 105104.