六(ろく)

ろく
number
six
number
1. six
The number six. A straightforward number in Japanese with consistent pronunciation in most contexts.
I wake up at six o'clock.
Six beers, please.
Note: ろく becomes ろっ before ほん→ぽん
Six friends came, so we didn't have enough chairs.

六(ろく) is the number six. The native Japanese counting word is 六(むっ)つ (muttsu).

Counting patterns

With counters starting with h- or p-sounds, ろく often becomes ろっ:

No change before most other counters: 六時(ろくじ) (six o'clock), 六人(ろくにん) (six people), 六月(ろくがつ) (June).
The native forms are 六(むっ)つ (six things) and 六日(むいか) (the 6th of the month, six days).