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# The Number 66: Properties and Meanings

Prime Factors of**66**=2x3x11.

**66**can be Partitioned 34 times with each term no larger than 2.

**66**can be Partitioned 397 times with each term no larger than 3.

**66**is a Triangular Number.

**66**is a Hexagonal Number.

**66**is a 23-gonal Number.

**66**is an Abundant Number.

**66**is the number of 8-iamonds.

The Chemical Element Dysprosium has an atomic number of

**66**.

### The Year 66 AD

In the year**66**AD "Halley's Comet" visited the Earth.

In the

**66**AD a small group of Jewish extremists called Sicarii took over the mountaintop at the start of the Jewish revolt against the Roman Empire.

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