21904
21904 is a four-digit number. In mathematics, it is an integer. Its prime factorization is 2^3 * 3 * 913. It is an even number. The number 21904 is also the designation for a specific asteroid, officially known as 21904 (1999 CE14). This asteroid was discovered in 1999 by the LINEAR (Lincoln Near-Earth Asteroid Research) program. It is part of the main asteroid belt, located between Mars and Jupiter. Its orbital period is approximately 3.7 years. Further details about the asteroid's physical characteristics, such as size and composition, are subject to ongoing astronomical observation and analysis. The number 21904 may also appear in other contexts, such as zip codes, product serial numbers, or specific technical designations within various fields, but without further context, its most notable public identification is as an asteroid.
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