642 수학 과학 기타 둘러보기 메뉴eh추가해eh문서를 완성해
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정수
수 목록정수641643자연수
642
둘러보기로 가기
검색하러 가기
641 ← 642 → 643 | |
|---|---|
← 640 641 642 643 644 645 646 647 648 649 → ← 600 610 620 630 640 650 660 670 680 690 → ← 0 100 200 300 400 500 600 700 800 900 → | |
| 읽는 법 | 육백사십이 |
| 세는 법 | 육백마흔둘 |
| 한자 | 六百四十二 |
| 소인수 분해 | 2 × 3 × 107 |
| 로마 숫자 | DCXLII |
| 2진수 | 10100000102 |
| 3진수 | 2122103 |
| 4진수 | 220024 |
| 5진수 | 100325 |
| 6진수 | 25506 |
| 8진수 | 12028 |
| 12진수 | 45612 |
| 16진수 | 28216 |
| 20진수 | 1C220 |
| 36진수 | HU36 |
| φ(642) | 212 |
| σ*(642) | 1296 |
d(642) | 8 |
| σ(642) | 1296 |
| μ(642) | -1 |
M(642) | -4 |
수 목록 · 정수 | |
642(육백사십이)는 641보다 크고 643보다 작은 자연수이다.
수학
합성수로, 그 약수는 1, 2, 3, 6, 107, 214, 321, 642이다.
과학
 이 문단은 비어있습니다. 내용을 추가해 주세요. |
기타
- 연도: 642년 기원전 642년
 | 이 글은 숫자에 관한 토막글입니다. 여러분의 지식으로 알차게 문서를 완성해 갑시다. |
분류:
- 정수
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