26 (number)

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26 (twenty-six) is the natural number following 25 and preceding 27.

<< 20 21 22 23 24 25 26 27 28 29 >> List of numbers -- Integers 0 10 20 30 40 50 60 70 80 90 >>
Cardinal <td>26 twenty-six
Ordinal <td>26th twenty-sixth
Factorization <td><math>2 \cdot 13</math>
Divisors	1, 2, 13, 26
Roman numeral	XXVI
Binary	11010
Hexadecimal	1A

1 In mathematics
2 In science
- 2.1 Astronomy
3 In religion
4 In other fields
5 Historical years

[edit] In mathematics

Twenty-six is a composite number, its proper divisors being 1, 2, and 13. 26 is the only number between a square number and a cube number, the numbers being 25 (5 squared) and 27 (3 cubed). This was first proved by Fermat.

There is no solution to the equation φ(x) = 26, making 26 a nontotient. Nor is there a solution to x - φ(x) = 26, making 26 a noncototient.

In the classification of finite simple groups there are 26 sporadic groups.

26 is a repdigit in base 3 (222).

[edit] In science

The atomic number of iron
The number of spacetime dimensions in bosonic string theory.

[edit] Astronomy

Messier object M26, a magnitude 9.5 open cluster in the constellation Scutum

The New General Catalogue object NGC 26, a spiral galaxy in the constellation Pegasus

The Saros number of the solar eclipse series which began on -2022 March 29 and ended on -724 May 17. The duration of Saros series 26 was 1298.1 years, and it contained 73 solar eclipses.

The Saros number of the lunar eclipse series which began on -1937 August 28 and ended on -386 March 17. The duration of Saros series 26 was 1550.5 years, and it contained 87 lunar eclipses.

[edit] In religion

26 is the gematria of the four-letter name of God
According to Jewish chronology, God gave the Torah in the 26th generation since Creation

[edit] In other fields

Twenty-six is:

The number of World Series Championships won by the New York Yankees through 2000.
The number of letters in the English alphabet, if majuscules are not distinguished from minuscules.
The English alphabet-inspired name of the not-for-profit group 26, which campaigns to inspire a greater love of and more effective use of words in business and in life. http://www.26.org.uk
The number of miles in a marathon rounded down (26 miles and 385 yards).
The designation of Interstate 26, a freeway that runs from South Carolina to Tennessee.
The car number of Will Ferrell's title character in Talladega Nights: The Ballad of Ricky Bobby. In real life, however, this is Jamie McMurray's car number.
Michigan is the 26th state to be admitted to the United States.
Often the number of episodes in a television program each year; this allows one new show per week for half the year, and one rerun per week for the rest of the year.
The name of a baby dinosaur in Dinotopia series.
The alias of semi-famous punk rock singer Doc Corbin Dart
The age at which males can no longer be drafted in the United States
The number of words sent in 43.24 seconds by Kimberly Yeo of Singapore to set the Guiness Book of World Records record for fastest text message
- Ms. Yeo sent the following sentence, established as the official standard by Guiness for this record: “The razor-toothed piranhas of the genera Serrasalmus and Pygocentrus are the most ferocious freshwater fish in the world. In reality they seldom attack a human.”