46 (number)

46 (forty-six) is a number. It comes between forty-five and forty-seven, and is an even number. It is divisible by 1, 2, 23, and 46.

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In mathematics

• An even two-digit number.

• 46 = 2 6 + 2 3 + 2 2 + 2 1 46=2 6 +2 3 +2 2 +2 1 .

• 46 is a semiprime number.
• The 4th nonagonal number.

• The 6th centered triangular number.
• The 5th Erdős–Woods number.
• The 10th Wedderburn–Etherington number.
• 46 is the smallest even number 2 𝑘 2k such that the sum of the first 𝑘 k prime numbers is divisible by 2 𝑘 2k.
• The Tutte graph has 46 vertices.
• 46 is the largest even number for which no pair of abundant numbers sums to it.
• 46 = 10 + 11 + 12 + 13 46=10+11+12+13

In biology

• The human karyotype (Homo sapiens) consists of 46 chromosomes.

In computing

• 46 is the ASCII code for the full stop (period) character “.”

In other fields

• Code 46, a science fiction romantic film directed by Michael Winterbottom.
• 46 is the international dialing code for Sweden.
• The first flag of Oklahoma, adopted in 1911, featured a white star outlined in blue on a red background; the number 46 appeared in the center of the star, signifying that Oklahoma was the 46th state admitted to the United States.

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