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25

24 ← 25 → 26
읽는 법이십오
세는 법스물다섯
한자二十五
소인수 분해52
로마 숫자XXV
2진수110012
3진수2213
4진수1214
5진수1005
6진수416
8진수318
12진수2112
16진수1916
20진수1520
36진수P36
φ(25)20
σ*(25)26
d(25)3
σ(25)31
μ(25)0
M(25)-2
수 목록 · 정수

25(이십오)는 24보다 크고 26보다 작은 자연수이다.

수학

[편집]
  • 합성수로, 그 약수1, 5, 25이다.
  • 5번째 제곱수이다.
  • 100 이하의 4의 배수, 200 이하의 8의 배수는 총 25개이다.
  • 제곱수의 합이다. (9+16=25, 피타고라스의 수)

과학

[편집]

나이(만 25세)

[편집]

방송

[편집]

기타

[편집]
{{bottomLinkPreText}} {{bottomLinkText}}
25
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