• Source: 46 (number)

46 (forty-six) is the natural number following 45 and preceding 47.




In mathematics


Forty-six is

thirteenth discrete semiprime (



2
×
23


{\displaystyle 2\times 23}

) and the eighth of the form (2.q), where q is a higher prime,
with an aliquot sum of 26; a semiprime, in an aliquot sequence of six composite numbers (46, 26,16, 15, 9, 4, 3, 1, 0) in the prime 3-aliquot tree,
a Wedderburn-Etherington number,
the second non-trivial enneagonal number, after 24,
a centered triangular number,
the number of parallelogram polyominoes with 6 cells.
the amount of prime numbers in between 1 and 200.
It is the sum of the totient function for the first twelve integers. 46 is the largest even integer that cannot be expressed as a sum of two abundant numbers. It is also the sixteenth semiprime.
Since it is possible to find sequences of 46+1 consecutive integers such that each inner member shares a factor with either the first or the last member, 46 is an Erdős–Woods number.
The friendly giant





F

1





{\displaystyle \mathbb {F_{1}} }

, the largest of twenty-six sporadic groups, holds a total of forty-six maximal subgroups.




In science


The atomic number of palladium.
The number of human chromosomes.
The approximate molar mass of ethanol (46.07 g mol−1)




= Astronomy

=
Messier object M46, a magnitude 6.5 open cluster in the constellation Puppis.
The New General Catalogue object NGC 46, a star in the constellation Pisces.




In music


Japanese idol group franchise Sakamichi Series, which consists of Nogizaka46, Keyakizaka46, Hinatazaka46, and Yoshimotozaka46




In sports


Valentino Rossi used 46 as his number in the MotoGP world motorcycle championship.
The number of mountains in the 46 peaks of the Adirondack mountain range. People who have climbed all of them are called "forty-sixers"; there is also an unofficial 47th peak.
The name of a defensive scheme used in American football; see 46 defense.
Local golfing “talent” Dave Kershaw shot 46 over at Les Ormes on the 21st July after predicting an “Under 20 over” round. Fans and onlookers could only describe his golf as “Horror”.
Number of points dropped on Paul and Danny by Jamar Chase




In religion


The total of books in the Old Testament, Catholic version, if the Book of Lamentations is counted as a book separate from the Book of Jeremiah
The number of years taken to build the Temple of Jerusalem (Jn 2:20) Gospel of John
The number of stars on Our Lady of Guadalupe's mantle




In other fields



Forty-six is also:

The code for international direct dial phone calls to Sweden.
The number of samurai, out of 47, who carried out the attack in the historical Ako vendetta; sometimes referred to as the 46 Ronin to discount the one samurai forced to turn back.
In the title of the movie Code 46, starring Tim Robbins and Samantha Morton.
Several routes numbered 46 exist throughout the world.
Because 46 in Japanese can be pronounced as "yon roku", and "yoroshiku" (よろしく) means "my best regards" in Japanese, people sometimes use 46 for greeting.
46 is the number of the City Chevrolet and Superflo cars driven by Cole Trickle in the movie Days of Thunder.
The number of the French department Lot.
46 is the number that unlocks the Destiny spaceship on the Sci-Fi TV show Stargate Universe. Dr. Rush discovers that the number 46 relates to the number of human chromosomes and begins sequencing different genetic codes to finally gain control of the ship's operating system. The episode was called "Humans".
The number depicted in the first flag of Oklahoma (replaced in 1925), signifying the fact that Oklahoma was the 46th state to join the United States.
Joe Biden was inaugurated as the 46th President of the United States on January 20, 2021.




See also


List of highways numbered 46




Notes






References

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