in Japan it is not unusual for high rise buildings to have no 4th floor, 4 the unlucky number, 4 pronounced 'shi' has the same pronunciation as 'death' usually it is pronounced yon, which is not unlucky and has no reference to death, when 4 is pronounced 'shi' it is unlucky and means death. rarely does anyone use the pronunciation 'shi, yon is mostly always used when referring to the number 4.
deceased 4/4/1944 aged 44, as a prisoner in a prisoner of war camp. 4 4 44 44. Officer, J.I.F. by suicide.