宀+0 = 3

宀ㄇㄧㄢˊmián

ㄇㄧㄢˊmián
  1. 二一四部首之一。
英"roof" radical in Chinese characters (Kangxi radical 40)​, occurring in 家, 定, 安 etc, see also 寶蓋|宝盖[bao3 gai4]
德Radikal Nr. 40 = Dach
法toit (radical)​