381
| 380 ← 381 → 382 | |
|---|---|
| 읽는 법 | 삼백팔십일 |
| 세는 법 | 삼백여든하나 |
| 한자 | 三百八十一 |
| 소인수 분해 | 3 × 127 |
| 로마 숫자 | CCCLXXXI |
| 2진수 | 1011111012 |
| 3진수 | 1120103 |
| 4진수 | 113314 |
| 5진수 | 30115 |
| 6진수 | 14336 |
| 8진수 | 5758 |
| 12진수 | 27912 |
| 16진수 | 17D16 |
| 20진수 | J120 |
| 36진수 | AL36 |
| φ(381) | 252 |
| σ*(381) | 512 |
| d(381) | 4 |
| σ(381) | 512 |
| μ(381) | 1 |
| M(381) | 6 |
| 수 목록 · 정수 | |
381(삼백팔십일)은 380보다 크고 382보다 작은 자연수다.
수학
과학
교통
군사
문화유산
기타
각주
- ↑ 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 = 381
|
이 글은 숫자에 관한 토막글입니다. 여러분의 지식으로 알차게 문서를 완성해 갑시다. |
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