They also skipped "13" for the Office suite of products. It just so happened to serendipitously that Office 2016 also turned out being Office 2016. Edited to a

They also skipped "13" for the Office suite of products. It just so happened to serendipitously that Office 2016 also turned out being Office 2016. Edited to add: they apparently skipped v13 for many products. Presumably due to superstition. However, was it theirs (whoever this "they" might represent at Microsoft) or their users'