The golden number? Phi = 1.61803398872...
the phi of n is the number of positive integers below n which do not share any factors with it. for example, the phi of 30 is 8 because it does not share any factors with 8 numbers: 1,7,11,13,17,19,23,29 these are called co-primes
It depends on what phi is being used for. Generally, phi is used to represent the Golden Ratio, [1+ sqrt(5)]/2. In that case phi is an irrational number approximately equal to 1.6180
phi = [1+sqrt(5)]/2 sqrt(5) is irrational and so phi is irrational.
Tau gamma phi
An example of a valid mobile phone number might be +1 417 555-0123, except with an actual mobile phone number instead of the fictitious 555-0123. An example in the UK would be +44 7700 900123, which is the (fictitious) UK mobile number 07700 900123 written in international format. A valid mobile phone number is a real phone number that actually connects to a working mobile phone.
phi is a Greek letter commonly used in math and physics. It is pronounced "fee" and seen both capitalized and in lower case. In number there is a special function denoted by phi known as the Euler Phi-function.
see related link below
Yes. For example, if you multiply the square root of 2 (an irrational number) by itself, the answer is 2 (a rational number). The golden ratio (Phi, approx. 1.618) multiplied by (1/Phi) (both irrational numbers) equals 1 (rational). However, this is not necessarily true for all irrational numbers.
No, the devil's phone number is not real. Many associate the numbers 666 with the devil.
Tau gamma phi tenets number six?
Phi (fie) is the number 1.618033.... it is like pi but it is totally different numbers. They both never end.