A Capacitor is an electronic component which stores the charge. Most classes of Capacitors have their values represented over them but some ceramic and other capacitors use the number with a simple alphabet. Some examples are:
101, 102, 103, 104.
101H, 202F, 473J etc.
All such capacitor require you to refer the Capacitor sheet and check the value there. Here is the sheet for you:
Kemet is a famous consumer electronics company famous for the design of electronics and electrical devices/components. The video below presents an overview of Ceramic Capacitor Manufacturing at Kemet.