27 November: 27

Here are 10 things you didn't know about the number 27.

1. It is the atomic number of cobalt.
2. If you add up all the numbers between 2 and 7, the total is 27. Also it is three times the sum of its digits, the only positive integer for which this is the case.
3. There are 27 books in the New Testament of the Bible.
4. The coloured balls in snooker have a total value of 27.
5. There are 27 bones in the human hand.
6. "Weird Al" Yankovic uses the number 27 in at least one song on all of his albums because he thinks it is a funny number.
7. There are 27 zodiac signs in Indian astrology.
8. In Stephen King's novel "It", It returns every 27 years to Derry.
9. There are 27 letters in the Hebrew alphabet (22 regular letters and 5 final consonants) and in the Spanish alphabet (5 vowels and 22 consonants).
10. The 27 Club refers to the seemingly disproportionate number of musicians who died in tragic circumstances at the age of 27. Musicians who belong to the club include Brian Jones, Jimi Hendrix, Janis Joplin, Jim Morrison, Kurt Cobain and Amy Winehouse.