Properties Both numbers are believed to be transcendental, although they have not been proven to be so. In fact, there is no known proof that either constant is even irrational.
prOpErtieS boTh nUmbers aRe BelIEveD TO Be transcendEntal, althOUgh tHey hAvE Not bEeN PrOVen to bE so. iN fACt, thERe is No knOwN prooF ThAt EIther constAnt iS eVen iRRatiOnal.