638 수학 과학 기타 둘러보기 메뉴eh추가해eh문서를 완성해
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정수
수 목록정수637639자연수
638
둘러보기로 가기
검색하러 가기
637 ← 638 → 639 | |
|---|---|
← 630 631 632 633 634 635 636 637 638 639 → ← 600 610 620 630 640 650 660 670 680 690 → ← 0 100 200 300 400 500 600 700 800 900 → | |
| 읽는 법 | 육백삼십팔 |
| 세는 법 | 육백서른여덟 |
| 한자 | 六百三十八 |
| 소인수 분해 | 2 × 11 × 29 |
| 로마 숫자 | DCXXXVIII |
| 2진수 | 10011111102 |
| 3진수 | 2121223 |
| 4진수 | 213324 |
| 5진수 | 100235 |
| 6진수 | 25426 |
| 8진수 | 11768 |
| 12진수 | 45212 |
| 16진수 | 27E16 |
| 20진수 | 1BI20 |
| 36진수 | HQ36 |
| φ(638) | 280 |
| σ*(638) | 1080 |
d(638) | 8 |
| σ(638) | 1080 |
| μ(638) | -1 |
M(638) | -2 |
수 목록 · 정수 | |
638(육백삼십팔)은 637보다 크고 639보다 작은 자연수이다.
수학
합성수로, 그 약수는 1, 2, 11, 22, 29, 58, 319, 638이다.
과학
 이 문단은 비어있습니다. 내용을 추가해 주세요. |
기타
- 연도: 638년 기원전 638년
 | 이 글은 숫자에 관한 토막글입니다. 여러분의 지식으로 알차게 문서를 완성해 갑시다. |
분류:
- 정수
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