28

Summary

28 is a positive integer^[1]. 28 ranks in the top 8% of positive_integer entities by monthly Wikipedia readership (272 views/month).^[2]

Key Facts

• 28's instance of is recorded as positive integer^[3].
• 28's instance of is recorded as perfect number^[4].
• 28's instance of is recorded as triangular number^[5].
• 28's instance of is recorded as even number^[6].
• 28's instance of is recorded as centered nonagonal number^[7].
• 28's instance of is recorded as hexagonal number^[8].
• 28's instance of is recorded as magic number^[9].
• 28's instance of is recorded as composite number^[10].
• 28 followed 27^[11].
• 28 was followed by 29^[12].
• 28's Commons category is recorded as 28 (number)^[13].
• 28's Unicode character is recorded as ㉘^[14].
• 28's topic's main category is recorded as Category:28 (number)^[15].
• 28's numeric value is recorded as {'amount': '+28'}^[16].
• 28's code is recorded as ௨௰௮^[17].
• 28's code is recorded as ௨௮^[18].
• 28's code is recorded as XXVIII^[19].
• 28's code is recorded as 𒎙𒐜^[20].
• 28's code is recorded as 11100^[21].
• 28's code is recorded as 1001^[22].
• 28's code is recorded as 130^[23].
• 28's code is recorded as 103^[24].
• 28's code is recorded as 44^[25].
• 28's code is recorded as 40^[26].
• 28's code is recorded as 31^[27].

Body

Definition and Type

Recorded instance of include positive integer^[3], perfect number^[4], triangular number^[5], even number^[6], centered nonagonal number^[7], and hexagonal number^[8].

Why It Matters

28 ranks in the top 8% of positive_integer entities by monthly Wikipedia readership (272 views/month).^[2] 28 has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.^[28] 28 is known by 44 alternative names across languages and contexts.^[29]