A factory prefix, followed by the word Si. What is this? How to type it out?

Peer, peer

Traditional Chinese characters: Si

Pinyin: sι

Athena Chu: ー

Radical: factory, external stroke: 12, total stroke: 14.

Wu Bi 86:DADR Wu Bi 98:DDWR Cang Xie: MTCL Ma Zheng: GGEP.

Number of strokes:1312211343312 quadrilateral number: 7 122 1 UniCode:CJK.

Unified Chinese characters

U+53AE