The Number 28Prime 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.
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 ADIn 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).