Vigintiphobia. This term is actually used in pediatrics to refer to the pediatrician's irrational fear of the number 20, in the sense of having a fear of the newborn baby's bilirubin level exceeding the arbitrary limit of 20 mg/dL, rather than looking at the big picture clinically.
http://pediatrics.aappublications.org/content/71/4/660
There is no such thing as treskaphobia.However, triskaphobia is the fear of number 3
Numerophobia is the fear of numbers. Another name for the condition is Arithmophobia.Specifically, fear of the number 13 is Triskaidekaphobia,fear of the number 666 is Hexakosioihexekontahexaphobia, and fear of the number 4 is Tetraphobia.
Albert Fear was born on 1907-08-25.
Fear Yourself was created on 2003-02-25.
A number phobia is an illlogical fear of a certain number such as Triskaidekaphobia (fear of the number 13).
That is fear of the number 13
The fear of the number 21 is known as "victrionophobia."
It is the fear of the number 13 or fear of Friday the 13th.
The fear is called Triskaphobia. Similarly, the fear of the number 13 is called Triskadekaphobia.
Twophobic
By the property of uniqueness, number 25 is 25 and only 25, no other number.
Studies show that Americans' number-one fear is public speaking.