主演：埃尔德什·帕尔 罗纳德·葛立恒 Joel Spencer J.W.S. Cassels Marta Sved Tibor Gallai Béla Bollobas 金芳蓉 Melvyn Nathanson 拉斯洛·洛瓦斯 Lady Bertha Jeffreys Gyula Katona
简介：N Is a Number: A Portrait of Paul Erdős is a 1993 documentary directed by George Paul Csicsery about the life of mathematician Paul Erdős.Erdős himself appears in the film. As of 2007, using the official cast list in the credits, it gives Erdős a Bacon n