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# The Number 239: Properties and Meanings

**239**is a Prime Number.

When expressing

**239**as a sum of square numbers, 4 squares are required, which is the maximum that any integer can require.

Every positive whole number can be written as the sum of eight cubes (including 0^3 when necessary) EXCEPT 23 and

**239**. Those two numbers require 9 cubes.

When expressing

**239**as a sum of fourth powers, 19 fourth powers are required, which is the maximum that any integer can require.

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**239**is Mozart's only work for two orchestras.

In The Simpsons episode "Homer's Night Out", weighs himself and resolves to exercise. Six months later he weighs himself again and again resolves to exercise. Both times he weighed exactly

**239**pounds.

**239**is an area code representing part of Florida in the United States.

**239**is a world famous lyceum of physics in mathematics in Saint-Petersburg, Russia.

### The Year 239 AD

In the year**239**AD Gordian III was the sole emperor of Rome.

In the year

**239**AD there was a Gothic invasion of Lower Moesia which was repelled.

In the year

**239**AD Cao Rui (Wei Ming Di), emperor of the Kingdom of Wei died.

In the year

**239**AD a Chinese expeditionary force discovered the island of Taiwan.

In the year

**239**AD in the Chinese Kingdom of Wei, Wei Qi Wang succeeded Wei Ming.

In the year

**239**AD was the first recorded visit by a Japanese envoy to China.

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