Nineteen is the 8th smallest prime number. The sequence continues 23, 23, 29, 31, 37...
"19" is also a 1985 hit song by Paul Hardcastle[?], with a strong anti-war message.
External links
... solution(s) x to the quadratic equation <math>ax^2+bx+c=0</math> in terms of the coefficients a, b and c, which are assumed to be real (but see below for ...