Euler's totient function - Wikipedia
The first thousand values of φ(n).The points on the top line represent φ(p) when p is a prime number, which is p − 1. [1]In number theory, Euler's totient function counts the positive …
欧拉函数 - OI Wiki
3 天之前 — 欧拉函数 定义. 欧拉函数（Euler's totient function），即 ，表示的是小于等于 和 互质的数的个数。. 比如说 。. 当 是质数的时候，显然有 。. 性质. 欧拉函数是 积性函数。. 即对任意 …
为什么有的希腊字母会有好几个字符，比如「ϕ」和「Φ」？ …
2015年3月23日 — φ 是 “greek small letter phi”, 「小写希腊字母 phi」。 其 Unicode 代码是 U+03C6. 从定义名称可以看出，后两者（U+03A6, U+03C6) 是「字母」，是用于显示希腊文 …
phi (23) - Wolfram|Alpha
phi(23) Natural Language; Math Input; Extended Keyboard Examples Upload Random. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of …
Euler's Totient φ(n) Calculator - Online Phi Function - dCode.fr
Phi(n) (euler indicator) is determined in several ways. The best-known calculation formula for determining the value of the Euler indicator uses the decomposition into prime factors of $ n $. …
Euler Phi Function/Table - ProofWiki
2024年5月6日 — : Tables: $8$ The Proper Factors, where Composite, and the Values of the Functions $\map \phi n$, $\map d n$ and $\map \sigma n$ 1997: David Wells : Curious and …
Euler's Totient Function Values For n = 1 to 500, with …
n φ(n) List of Divisors; 1: 1: 1: 2: 1: 1, 2: 3: 2: 1, 3: 4: 2: 1, 2, 4: 5: 4: 1, 5: 6: 2: 1, 2, 3, 6: 7: 6: 1, 7: 8: 4: 1, 2, 4, 8: 9: 6: 1, 3, 9: 10: 4: 1, 2, 5 ...
3.8 The Euler Phi Function - Whitman College
Leonhard Euler. Euler (pronounced "oiler'') was born in Basel in 1707 and died in 1783, following a life of stunningly prolific mathematical work.
如何评价微软发布的 phi-3？ - 知乎
2024年4月23日 — Phi-1.5是 23 年 9 月发布，技术报告的标题叫Textbooks Are All You Need II: phi-1.5 technical report[3]。Phi1.5 其实有两个版本，如下图所示，web 版除了合成数据还增加了 …
Euler's Totient Function - Math is Fun
These are all examples of Euler's Totient Function, which has the symbol φ (the Greek letter Phi) φ(6) = 2; φ(12) = 4; φ(15) = 8; It is that simple, just crossing numbers off a list. But it can take …