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Though perfect, 28 is not the aliquot sum of any other number other than itself; thus, it is not part of a multi-number aliquot sequence. Twenty-eight is the sum of the totient function for the first nine integers.

Feb 24, 2013 · If twenty-eight is your lucky number or birthday, or you want to know how awesome this number actually is, check out the top 28 facts about this special number.

Discover the fascinating world of the number 28! Explore its meanings, significance in mathematics, science, religion, folklore, angel numbers, and its role in arts and literature.

Jun 24, 2023 · The 28th anniversary, which has fun facts about number 28, marks a significant milestone in a couple’s journey together, and the orchid serves as a reminder of their enduring love, …

More non-math facts about the number 28: In chemistry, 28 is the atomic number of nickel. In biology, the average human menstrual cycles is 28 days. The shortest month of the year with 28 days is …

Explore the curious properties of number 28, an even composite number composed of two distinct primes. Includes mathematical info, prime factorization, divisors, bases and much more!

Download the 28 app for free, available for iPhone and Android. Discover the science of your cycle and get personalized daily insights, nutrition, and exercise videos with lightening-fast, high-definition …

Meaning of Numbers: The Number 28 The English phrases "twenty and eight" and "eight and twenty," used for the number 28, is recorded 13 times in 13 King James Bible verses. It is recorded the most …

The number 28 can be divided by 6 positive divisors (out of which 4 are even, and 2 are odd). The sum of these divisors (counting 28) is 56, the average is 9.333.