• 六ろく — six
• 六むっつ — six (traditional counting)
• 六月ろくがつ — June
• 六本ろっぽん — six long objects
• 六年生ろくねんせい — sixth grade student
• 六角形ろっかっけい — hexagon
• 第六感だいろっかん — sixth sense

“六” is one of the core number kanji and is visually simple. It may have originally represented a shape or form related to division or even a roof structure. Today, it’s everywhere — from school years to dates to shopping discounts.

林檎りんごが 六むっつあります。
There are six apples.

六月ろくがつに 誕生日たんじょうびがあります。
My birthday is in June.