#jsDisabledContent { display:none; } My Account | Register | Help

# 284 (number)

Article Id: WHEBN0000431840
Reproduction Date:

 Title: 284 (number) Author: World Heritage Encyclopedia Language: English Subject: Collection: Integers Publisher: World Heritage Encyclopedia Publication Date:

### 284 (number)

 ← 283 284 285 →
Cardinal two hundred eighty-four
Ordinal 284th
(two hundred and eighty-fourth)
Factorization 22× 71
Roman numeral CCLXXXIV
Binary 1000111002
Ternary 1011123
Quaternary 101304
Quinary 21145
Senary 11526
Octal 4348
Duodecimal 1B812
Vigesimal E420
Base 36 7W36

Two hundred eighty-four (284, CCLXXXIV) is the natural number following 283 and preceding 285.

Its divisors are 1, 2, 4, 71, and 142, adding up to 220, in turn, the divisors of 220 add up to 284, making the two a pair of amicable numbers.[1]

There is no answer to the equation φ(x) = 284, making 284 a nontotient.

## In other fields

284 degrees Celsius is the flash point of paper.

## References

1. ^ Higgins, Peter (2008). Number Story: From Counting to Cryptography. New York: Copernicus. p. 61.
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.

Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.