Is the PageRank (PR) number for the entire site?
PageRank is determined for each individual web page, as every page on your website has a different PR. The site home page is likely to have the highest PR as it will have the most sites linking to it. Each internal page will have a different Google PageRank In many cases, the PageRank for a very informative and heavily linked article on an internal page, will be higher than that of the site’s home page.