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46 (number)

From Wikipedia, the free encyclopedia
← 45 46 47 →
Cardinalforty-six
Ordinal46th
(forty-sixth)
Factorization2 × 23
Divisors1, 2, 23, 46
Greek numeralΜϚ´
Roman numeralXLVI, xlvi
Binary1011102
Ternary12013
Senary1146
Octal568
Duodecimal3A12
Hexadecimal2E16

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

In mathematics

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46 is a composite number, a centered triangular number,[1] and a Wedderburn-Etherington number, and an Erdős–Woods number.[2]

In sports

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There are 46 mountains in the 46 peaks of the Adirondack mountain range. People who have climbed all of them are called "forty-sixers".[3]

The number 46 is used to identify Valentino Rossi. The number is retired (no longer used) in the MotoGP after Rossi's retirement in 2022.

In other fields

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Flag of Oklahoma (1911–1925)

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.

There are 46 chromosomes in a typical human somatic cell, arranged in 23 pairs.

References

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  1. ↑ "Sloane's A005448 : Centered triangular numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Archived from the original on 2018-12-26. Retrieved 2016-05-30.
  2. ↑ "Sloane's A059756 : Erdős-Woods numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Archived from the original on 2017-12-21. Retrieved 2016-05-30.
  3. ↑ "Hiking Challenges: The Adirondack 46ers". Adirondack.net. Archived from the original on 2020-09-22. Retrieved 2020-08-23.