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## The Number 28

Prime Factors of**28**=2x2x7.

**28** is a Perfect Number.

**28** is a Triangular Number.

**28** is a Hexagonal Number.

**28** is a Centered Nonagonal Number.

**28** can be Partitioned 3718 ways.

**28** can be Partitioned 15 times with each term no larger than 2

**28** can be Partitioned 80 times with each term no larger than 3

**28** can be Partitioned 249 times with each term no larger than 4

**28** can be Partitioned 540 times with each term no larger than 5

**28** can be Partitioned 931 times with each term no larger than 6

**28** can be Partitioned 1367 times with each term no larger than 7

**28** can be Partitioned 1801 times with each term no larger than 8

The Chemical Element Nickel has an atomic number of **28**.

The **28** Lunar Houses.

In Hinduism, one day and one night of Brahma are equivalent to **28** existences of Indra.

The **28** Izeds in the Persian religion.

The Arab and Spanish alphabets each have **twenty-eight** letters

The **28** paradisiac or angelic levels which exist above the human state, according to the Brahmans.

Film: **28** Days.

Film: **28** Days Later.

### The Year 28 AD

In the year**28**AD Emperor Ming of Han was born.

In the year **28** AD the Frisians negotiated a treaty with the Romans at the River Rhine, avoiding conquest.

In the year **28** AD King Onjo of Baekje died and King Daru of Baekje succeeded to the throne of Baekje. (Korea).

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