
On the math-fun mailing list, Dick Hess posted “a couple of curiosities”: A speaker at G4G16 noted that \(16^{16}\) ends in \(1616\). A friend sent me this: \(499^{499}\) ends in \(499499\). Are there any other cases including numbers with more digits? That does make me curious! I’ve kept that email in my inbox since March,…

