It is perhaps common knowledge that numerical indicators do not necessarily reflect the prestige of a given journal within the academic community.
To give just one example, according to the recently released impact factor statistics from Thompson Reuters, in the Mathematics category the journal Acta Numerica has higher impact factor than the Annals of Mathematics or Acta Mathematica, but it is pretty certain that the majority of pure mathematicians will consider the latter two journals far more prestigious than the former.
So, the question is, is there a numerical indicator (impact factor, eigenfactor, Google Scholar metric etc.) which matches close enough the prestige of a given journal in the expert community ?
I am particularly interesting in mathematics journals but would gladly learn about the situation in the other disciplines as well.