Ad
related to: zazzle support number
Search results
Results From The WOW.Com Content Network
6 is the root of the 6-aliquot tree, and is itself the aliquot sum of only one other number; the square o number, 25. Six is the first unitary perfect number, since it is the sum of its positive proper unitary divisors, without including itself. Only five such numbers are known to exist; sixty (10 × 6) and ninety (15 × 6) are the next two.
Fibonacci sequence. A tiling with squares whose side lengths are successive Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13 and 21. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn .
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
Signature. J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈɒpənhaɪmər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist. He was director of the Manhattan Project 's Los Alamos Laboratory during World War II and is often called the "father of the atomic bomb ". Born in New York City ...
Launched. October 2002. Current status. Active. Romeo (until 2021 PlanetRomeo) is a social network for gay, bisexual, queer and transgender people. The site was started as a hobby and was called GayRomeo in October 2002 by Planetromeo GmbH in Berlin, Germany. [3] [4] Initially only available in German the site and later its mobile app have ...
The fifth number to return for the Mertens function is 65, with () counting the number of square-free integers up to with an even number of prime factors, minus the count of numbers with an odd number of prime factors. 65 is the nineteenth biprime with distinct prime factors, with an aliquot sum of 19 as well and equivalent to 1 5 + 2 4 + 3 3 ...
Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
The Crusades of 1239–1241. The Crusades of 1239–1241, also known as the Barons' Crusade, were a series of crusades to the Holy Land that, in territorial terms, were the most successful since the First Crusade. [151] The major expeditions were led separately by Theobald I of Navarre and Richard of Cornwall. [152]