19
natural number
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Summary
19 is a positive integer[1]. 19 ranks in the top 2% of positive integer entities by monthly Wikipedia readership (3,220 views/month).[2]
Key Facts
- Instance of: prime number[3], odd number[4], centered triangular number[5], centered hexagonal number[6], octagonal number[7], strictly non-palindromic number[8]
- Follows: 18[9]
- Followed by: 20[10]
- Commons category: 19 (number)[11]
- Unicode character: ⒆[12], ⓳[13], ⑲[14], ⒚[15], 𝋳[16]
- Topic's main category: Category:Nineteen[17]
- Numeric value: 19[18]
- Code: ௰௯[19], ௧௯[20], XIX[21], 𒌋𒐝[22], 10011[23], 23[24], 17[25], 13[26], 201[27], 103[28], 34[29], 31[30], 25[31], 21[32]
- Prime factor: 19[33]
- Maintained by WikiProject: WikiProject Mathematics[34]
- Number of decimal digits: 2[35]
Why It Matters
19 has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[36] 19 is known by 66 alternative names across languages and contexts.[37]