The myriad is equal to 10 = 10000. It was first used by the Ancient Greeks and it also has its own name in eastern Asian naming systems, although in English its name is "ten thousand". In googology, it is used in Donald Knuth's -yllion system.
In Roman numerals, it was written as ↂ or P.
The outdated prefix myria- means multiplying by 10000.
10000 can be called "garhundred" using the gar- prefix.
Some currencies, such as the Indonesian rupiah, have commemorative coins with this number in the denomination.
Some other currencies, such as the first Turkish lira, had coins with this number in the denomination.
Furthermore, it was also the prize for correctly answering the first question in the Japanese game show Quiz $ Millionaire in Japanese yen.