U+643E Unicode hex codepoint — a unique identifier for this character in the Unicode standard. JLPT 1 Japanese-Language Proficiency Test level. N5 is beginner, N1 is the most advanced. This kanji appears at the 1 level. Grade S Japanese school grade level in which this kanji is taught. Grade 1 is first year of elementary school. 13 strokes Freq #2046 Frequency rank among the ~2,500 most common kanji in Japanese newspapers. Lower number = more common. Heisig #1422 Index in James Heisig's "Remembering the Kanji" — a popular textbook that teaches kanji through mnemonics and stories.