4 (عدد)
| 4 | |
|---|---|
| Cardinal | 4 four |
| Ordinal | 4th fourth |
| Numeral system | quaternary |
| Factorization | |
| Divisors | 1, 2, 4 |
| Roman numeral | IV or IIII |
| Roman numeral (Unicode) | Ⅳ, ⅳ |
| Greek | δ (or Δ) |
| Arabic | ٤,4 |
| Arabic (Persian, Urdu) | ۴ |
| Ge'ez | ፬ |
| Bengali | ৪ |
| Chinese numeral | 四,亖,肆 |
| Devanagari | ४ |
| Telugu | ౪ |
| Malayalam | ൪ |
| Tamil | ௪ |
| Hebrew | ארבע (Arba, pronounced AR-bah) or ד (Dalet, 4th letter of the Hebrew alphabet) |
| Khmer | ៤ |
| Thai | ๔ |
| prefixes | tetra- (from Greek) |
| Binary | 100 |
| Octal | 4 |
| Duodecimal | 4 |
| Hexadecimal | 4 |
| Vigesimal | 4 |
4 (أربعة) هو عدد صحيح يلي العدد 3 ويسبق العدد 5 وهو عدد طبيعي موجب.
في الرياضيات
قائمة من العمليات الحسابية الأساسية
| Multiplication | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 50 | 100 | 1000 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | 96 | 100 | 200 | 400 | 4000 |
| Division | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2 | 1 | 0.8 | 0.5 | 0.4 | 0.25 | |||||||||||
| 0.25 | 0.5 | 0.75 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.25 | 2.5 | 2.75 | 3 | 3.25 | 3.5 | 3.75 | 4 |
| Exponentiation | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 16 | 64 | 256 | 1024 | 4096 | 16384 | 65536 | 262144 | 1048576 | 4194304 | 16777216 | 67108864 | ||
| 1 | 16 | 81 | 256 | 625 | 1296 | 2401 | 4096 | 6561 | 10000 | 14641 | 20736 | 28561 |
تطور الرسم
في الدين
- Buddhism
- Judeo-Christian symbolism
- Hinduism
- Islam
- Other
في العلوم
في الفلك
في علم الأحياء
في الكيمياء
في الفيزياء
في المنطق والفلسفة
في التكنولوجيا
في النقل
--في الرياضة--
في المجالات الأخرى
See also 4 (disambiguation).
في الموسيقى
مجموعات من أربعة
المصادر
- Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 55 - 58
وصلات خارجية
- Marijn.Org on Why is everything four?
- A few thoughts on the number four, by Penelope Merritt at samuel-beckett.net
- [1]
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