en.wikipedia.org/wiki/28_(number)

28 (twenty-eight) is the natural number following 27 and preceding 29. Contents .... a reference to above astronomical facts about the year and the Saturn year.

www.thefactsite.com/2013/02/facts-about-number-28.html

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.

numbermatics.com/n/28

Your guide to the nunber 28, an even composite number composed of two distinct primes. Mathematical info, fun facts and numerical data for STEM, education ...

researchmaniacs.com/Numbers/Number-28.html

Number 28. Interesting facts and information about number twenty-eight (Number 28).

hubpages.com/education/The-number-28-twenty-eight-Interesting-and-fun-facts-about-28

Jun 19, 2013 ... 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 ...

kottke.org/01/09/fun-facts-about-the-number

Sep 27, 2001 ... Fun facts about the number 28: - 28 is a perfect number. - There are ... It takes the Moon a little less than 28 Earth days to orbit around the Earth.

badseypublications.co.uk/number/Num28.htm

Numbers, Facts, Figures & Fiction (book cover) · How to order ... 28. = 2 × 2 × 7. = 2 × 14 = 4 × 7. = 1 + 2 + 3 + 4 + 5 + 6 + 7. A triangular number. There are ... 28 is a perfect number because it equals the sum of all its factors (apart from 28 itself).

www.stetson.edu/~efriedma/numbers.html

If you know a distinctive fact about a number not listed here, please e-mail me. ..... 275 is the number of partitions of 28 in which no part occurs only once.

www.ridingthebeast.com/numbers/nu28.php

Dec 19, 1998 ... Numerology, meaning and symbolism of the number 28.

veastrology.com/birthday-number28.html

Those born with Number 28 possess a deep analytical mind, their rational approach to business is ... These people are very interesting, intelligent and sensitive.