Evil number (nonfiction): Difference between revisions
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In number theory, an '''evil number''' is a non-negative number that has an even number of 1s in its binary expansion. | In number theory, an '''evil number''' is a non-negative [[Number (nonfiction)|number]] that has an even number of 1s in its binary expansion. | ||
The first evil numbers are: 0, 3, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 24, 27, 29, 30, 33, 34, 36, 39 ... | The first evil numbers are: 0, 3, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 24, 27, 29, 30, 33, 34, 36, 39 ... | ||
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== In the News == | == In the News == | ||
<gallery | <gallery> | ||
</gallery> | </gallery> | ||
== Fiction cross-reference == | == Fiction cross-reference == | ||
* [[Crimes against mathematical constants]] | |||
== Nonfiction cross-reference == | == Nonfiction cross-reference == | ||
* [[Evil bit (nonfiction)]] | |||
* [[Number (nonfiction)]] | |||
* [[Odious number (nonfiction)]] | * [[Odious number (nonfiction)]] | ||
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[[Category:Nonfiction (nonfiction)]] | [[Category:Nonfiction (nonfiction)]] | ||
[[Category:Mathematics (nonfiction)]] | [[Category:Mathematics (nonfiction)]] | ||
[[Category:Numbers (nonfiction)]] | |||
[[Category:Number theory (nonfiction)]] | |||
Latest revision as of 16:43, 21 November 2017
In number theory, an evil number is a non-negative number that has an even number of 1s in its binary expansion.
The first evil numbers are: 0, 3, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 24, 27, 29, 30, 33, 34, 36, 39 ...
Numbers that are not evil are called odious numbers.
Not to be confused with Evil bit (nonfiction).
In the News
Fiction cross-reference
Nonfiction cross-reference
External links:
- Evil number @ Wikipedia