Twenty-seven

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Twenty-seven
27
presentation
Roman XXVII
dual 1 1011
Octal 33
Duodecimal 23
Hexadecimal 1B
Morse code · · - - - - - · · · 
Mathematical properties
sign positive
parity odd
Factorization
Divider 1, 3, 9, 27

The twenty-seven (27) is the natural number between twenty-six and twenty-eight . It's odd .

mathematics

Twenty-seven is a cube number and the smallest natural number that can be written in two different ways as the sum of three square numbers other than 0, namely as .

science

27 is the atomic number of cobalt and the mass number of aluminum (the only stable isotope 27 Al).

In religion, philosophy and the occult

Some Buddhist prayer chains ( mala ) have 27 pearls (108 divided by 4).
In almost all Christian traditions today, the New Testament consists of 27 books.
According to Pythagoras and Plato , the number 3 to the third power (i.e. 27) and the number 2 to the third power (i.e. 8) represent the cosmos.
In the Kabbalah there are 27 letters, corresponding to 27 channels of communication with God and 27 combinations of the name of God - 13 open and 14 covered.
According to Feng Shui , in order to collect money one should keep 27 identical coins in the house.
According to the ancient Inca culture, there were 27 roads to Eldorado .

astrology

In the Indian astrology Jyotisha the ecliptic is divided into 27 groups of stars ( Nakshatras ).

music

Quite a few musicians died at the age of 27. These include Robert Johnson , Brian Jones , Jimi Hendrix , Janis Joplin , Jim Morrison , Ron McKernan , Kurt Cobain, and Amy Winehouse . The musicians who died at this age are often assigned to the so-called Klub 27 .

Others

The ampersand (&) was previously used as the 27th letter in English-speaking schools when reciting the alphabet.

See also

literature

  • D. Wells: The Penguin Dictionary of Curious and Interesting Numbers . Penguin Group , London 1987, Mystery of the number 27 — Large collection of 27 related trivia and facts., Pp. 106 .

Web links