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.

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.

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84 84 may refer to: 84 (number) one of the years 84 BC, AD 84, 1984, 2084, 2184 The international calling code for Vietnam 84 Lumber, a building materials supply company Eighty …

3 hours ago · CIA turncoat Aldrich Ames, who sold U.S. secrets to the Soviets, dies in prison at 84 Ames' betrayals are blamed for the executions of Western agents working behind the Iron …

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

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.

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 …

3 hours ago · US News Who Was Aldrich Ames And What Did He Do? CIA Officer-Turned-Russian Spy Dies at 84 Authored by: Naman Trivedi Updated Jan 7, 2026, 06:36 IST Aldrich …