25
natural number
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Summary
25 is a positive integer[1]. 25 ranks in the top 6% of positive integer entities by monthly Wikipedia readership (2,845 views/month).[2]
Key Facts
- Instance of: deficient number[3], square number[4], Friedman number[5], automorphic number[6], odd number[7], centered octagonal number[8], centered octahedral number[9], centered square number[10], composite number[11]
- Follows: 24[12]
- Followed by: 26[13]
- Commons category: 25 (number)[14]
- Unicode character: ㉕[15]
- Topic's main category: Category:25 (number)[16]
- Numeric value: 25[17]
- Different from: 25[18]
- Code: ²⁵[19], ௨௰௫[20], ௨௫[21], XXV[22], 𒎙𒐙[23], 11001[24], 31[25], 21[26], 19[27], 221[28], 121[29], 100[30], 41[31], 34[32]
- Derivative work: twenty-fifth[33]
- Prime factor: 5[34]
- Maintained by WikiProject: WikiProject Mathematics[35]
- Number of decimal digits: 2[36]
- Mathematical inverse: −25[37]
Why It Matters
25 has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[38] 25 is known by 56 alternative names across languages and contexts.[39]