<120 | Number Data-BaseRandom Number |
122> |

## The Number 121: Properties and Meanings

Prime Factors of**121**=11x11.

**121** can be Partitioned 61 times with each term no larger than 2.

**121** can be Partitioned 1281 times with each term no larger than 3.

**121** is a Square Number(11x11).

**121** is a Centered Octagonal Number.

**121** is a Centered 12-gonal Number.

**121** is a Centered 20-gonal Number.

**121** is a Centered 40-gonal Number.

**121** is the maximal number of regions into which 15 lines divide a plane.

STS-**121** was a Space Shuttle Discovery mission to the International Space Station.

The Alfa Romeo **121** eight-cylinder, air-cooled, inverted V engine for aircraft use.

The Mazda **121** automobile.

There are **121** marble slots on a Chinese checkers board.

**121** is the number of points required to win a standard game of Cribbage.

### The Year 121 AD

In the year**121**AD the Temple of Venus was built in Rome.

In the year **121** AD Roman Emperor Marcus Aurelius was born.

In the year **121** AD Empress Deng Sui died. (China)

<120 | Number Data-BaseRandom Number |
122> |

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