To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

4,5
Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.
.
Leo
Newton
Brights
Milds

284 (number)

From Wikipedia, the free encyclopedia

 ← 283 284 285 →
Cardinaltwo hundred eighty-four
Ordinal284th
(two hundred eighty-fourth)
Factorization22× 71
Divisors1, 2, 4, 71, 142, 284
Greek numeralΣΠΔ´
Roman numeralCCLXXXIV
Binary1000111002
Ternary1011123
Quaternary101304
Quinary21145
Senary11526
Octal4348
Duodecimal1B812
Hexadecimal11C16
VigesimalE420
Base 367W36

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]

284 equals the sum of the squares of the digits of its own square in base 15. This property is shared with 1, 159, 264, 306 and 387.

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

In other fields

See also the year 284 and List of highways numbered 284.

References

1. ^ Higgins, Peter (2008). Number Story: From Counting to Cryptography. New York: Copernicus. p. 61. ISBN 978-1-84800-000-1.
This page was last edited on 20 October 2017, at 20:31
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.