tiny amount of money; a penny; one letter; one character; one mon (unit of currency)
half; semi-; half-past; odd number; (arch.) unit of land area (595.8 m^2)
sen (hundredth of a yen); coin made of non-precious materials; one-thousandth of a kan (as a unit of currency); (arch.) one-thousandth of a kan (as a unit of mass)