9

Summary

9 is a positive integer^[1]. 9 has Wikipedia articles in 160 language editions, a strong signal of global cultural recognition.^[2]

Key Facts

• 9's instance of is recorded as positive integer^[3].
• 9's instance of is recorded as deficient number^[4].
• 9's instance of is recorded as square number^[5].
• 9's instance of is recorded as composite number^[6].
• 9's instance of is recorded as odd number^[7].
• 9's instance of is recorded as centered cube number^[8].
• 9's instance of is recorded as centered octagonal number^[9].
• 9's instance of is recorded as nonagonal number^[10].
• 9's instance of is recorded as power of three^[11].
• 9's instance of is recorded as harshad number^[12].
• 9's instance of is recorded as Motzkin number^[13].
• 9's instance of is recorded as trimorphic number^[14].
• 9 followed 8^[15].
• 9 was followed by 10^[16].
• 9's Commons category is recorded as 9 (number)^[17].
• 9's Unicode character is recorded as 9^[18].
• 9's Unicode character is recorded as ⁹^[19].
• 9's Unicode character is recorded as ₉^[20].
• 9's Unicode character is recorded as ⑼^[21].
• 9's Unicode character is recorded as ❾^[22].
• 9's Unicode character is recorded as ⑨^[23].
• 9's Unicode character is recorded as ⓽^[24].
• 9's Unicode character is recorded as ➈^[25].
• 9's Unicode character is recorded as ➒^[26].
• 9's Unicode character is recorded as ⒐^[27].

Body

Definition and Type

Recorded instance of include positive integer^[3], deficient number^[4], square number^[5], composite number^[6], odd number^[7], and centered cube number^[8].

Why It Matters

9 has Wikipedia articles in 160 language editions, a strong signal of global cultural recognition.^[2]