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# The Number 11: Properties and Meanings

**11**is a Prime Number.

**11**is a Super Catalan Number.

**11**is a Lucas Number.

**11**is a Centered Decagonal Number.

6 can be Partitioned in

**11**ways.

**11**can be Partitioned in 56 ways.

**11**can be Partitioned 6 times with each term no larger than 2.

**11**can be Partitioned 16 times with each term no larger than 3.

**11**can be Partitioned 27 times with each term no larger than 4.

**11**can be Partitioned 37 times with each term no larger than 5.

**11**can be Partitioned 44 times with each term no larger than 6.

**11**can be Partitioned 49 times with each term no larger than 7.

**11**can be Partitioned 52 times with each term no larger than 8.

**11**can be Partitioned 54 times with each term no larger than 9.

**11**can be Partitioned 55 times with each term no larger than 10.

Half of the first 64 Partition numbers are divisible by

**11**.

**11**is the largest known multiplicative persistence.

**11**is the maximal number of regions into which 4 lines divide a plane.

The Chemical Element Sodium has an atomic number of

**11**.

The sun spot cycle repeats about every

**11**years.

**Buddhism**

Virtues: The

**eleven groups**of kindnesses, in Buddhism, include: a man entered the Way, the two Truths, the three Gates of Delivery, the four Truths of the correct Law, the five faculties, the six Authorities, the seven Members of the Illumination, the eight Members of the Path, the nine Residences of the Being, the ten Forces of the Realized and the eleven Deliverances of the Heart full of love.

Film: Ocean's

**Eleven**.

### The Year 11 AD

In the year**11**AD theYellow River overflowed it's banks, leaving millions homeless and creating a widespread famine in the Chinese Empire.

In the year

**11**AD, Augustus put a ban on individual consultation of astrologers.

Drusilla, daughter of Germanicus and Agrippina the younger was born in the year

**11**AD.

In the year

**11**AD Tiberius weds Julia Caesaris.

In the year

**11**AD Marcus Antistius Labeo prominent Roman jurist died.

In the year

**11**AD Artabanus III of the Arsacid Dynasty becomes ruler of Parthia

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