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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.

5 days ago · New details emerging Tuesday have bolstered authorities’ belief that Nancy Guthrie, the missing 84-year-old mother of “Today” show host Savannah Guthrie, was the victim of a kidnapping. …

Jan 18, 2026 · In a nutshell 84 is an even composite number composed of three different prime numbers multiplied together. It has a total of twelve divisors.

6 days ago · Savannah Guthrie's 84-year-old mother Nancy was possibly kidnapped from her Arizona home. The sheriff confirmed a crime scene was found, and believes she was taken against her will.

Russia and Ukraine swapped 84 prisoners each on Thursday, a day before President Vladimir Putin and his US counterpart Donald Trump meet in Alaska for a high-level summit.

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 seven triangular …

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