84 is a semiperfect number, [1] being thrice a perfect number, and the sum of the sixth pair of twin primes . [2] It is the number of four-digit perfect powers in decimal.

2 days ago · Aldrich Ames, former CIA officer who spied for the Soviet Union and later Russia, dies at 84 while serving a life sentence after pleading guilty to espionage charges.

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Discover the fascinating world of the number 84! Explore its significance in mathematics, science, religion, angel numbers, folklore, arts, and more. Unlock hidden meanings and facts today.

Your guide to the number 84, an even composite number composed of three distinct primes. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.

The number 84 can be divided by 12 positive divisors (out of which 8 are even, and 4 are odd). The sum of these divisors (counting 84) is 224, the average is 18.666.

Discover all interesting facts about the number 84 like the sqrt, divisors, crosssum, tangent, cosine, sine.

84 is a semiperfect number, being thrice a perfect number, and the sum of the sixth pair of twin primes (41 + 43). It is the third (or second) dodecahedral number, and the sum of the first …

Jul 23, 2025 · In this article, we will discuss all the topics related to the factors of 84, including all the factors of 84, both prime factors, and methods to find these factors.

Number 84 (eighty-four) is an even two-digits composite number and natural number following 83 and preceding 85.