142
142 may refer to: * 142 (number), an integer * AD 142, a year of the Julian calendar * 142 BC __NOTOC__ Year 142 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Calvus and Servilianus (or, less frequently, year 612 ''Ab urbe condita''). The denomination 142 BC for this year has be ...

142 (number)
142 (one hundred ndforty-two) is the natural number following 141 and preceding 143. In mathematics There are 142 connected functional graphs on four labeled vertices, 142 planar graph In graph theory, a planar graph is a graph that can be embedded in the plane, i.e., it can be drawn on the plane in such a way that its edges intersect only at their endpoints. In other words, it can be drawn in such a way that no edges cro ...s with 6 unlabeled vertices, and 142 partial involutions on five elements. See also * The year AD 142 or 142 BC * List of highways numbered 142 * References {{DEFAULTSORT:142 (Number) Integers ...
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AD 142
Year 142 ( CXLII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known in the Roman Empire as the Year of the Consulship of Pactumeius and Quadratus (or, less frequently, year 895 ''Ab urbe condita''). The denomination 142 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Empire * Emperor Antoninus Pius orders the construction of the Antonine Wall. The wall stretches 39 miles (63 km), from Old Kilpatrick in West Dunbartonshire on the Firth of Clyde, to Carriden near Bo'ness on the Firth of Forth (Scotland). The Romans build 19 forts and smaller fortlets (milecastles), to protect the border against the Caledonians. * Municipal doctors are named throughout the Roman Empire. Asia * First year of the ''Hanan'' era of the Chinese Han Dynasty. * The Chinese Taoist alchemist W ...
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