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<1979 Number Data-Base
Random Number
1981>

The Number 1980: Properties and Meanings

Prime Factors of 1980=2x2x3x3x5x11.

1980 is the number of ways to fold a 2x4 rectangle of stamps.


The Year 1980 AD

In the year 1980 AD The hepatitis-B vaccine was invented.

<1979 Number Data-Base
Random Number
1981>
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