<2008 | Number Data-BaseRandom Number |
2010> |

## The Number 2009: Properties and Meanings

Prime Factors of**2009**=7x7x41.

**2009** can be expressed as the sum of 4 positive cubes in exactly 3 ways.

Both **2009** and its reversal 9002 are multiples of 7.

The **2009**th prime (17471) is palindromic.

### The Year 2009 AD

The year**2009**AD is The International Year of Astronomy (IYA

**2009**) a year-long celebration of astronomy, coinciding with the 400th anniversary of the first recorded astronomical observations with a telescope by Galileo Galilei and the publication of Johannes Kepler's

*Astronomia nova*.

The United Nations General Assembly declared **2009** as the International Year of Natural Fibres.

<2008 | Number Data-BaseRandom Number |
2010> |

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