4 (number)
| ||||
---|---|---|---|---|
Cardinal | four | |||
Ordinal | 4th (fourth) | |||
Numeral system | quaternary | |||
Factorization | 22 | |||
Divisors | 1, 2, 4 | |||
Greek numeral | Δ´ | |||
Roman numeral | IV | |||
Roman numeral (unicode) | Ⅳ, ⅳ | |||
Greek prefix | tetra- | |||
Latin prefix | quadri-/quadr- | |||
Binary | 1002 | |||
Ternary | 113 | |||
Quaternary | 104 | |||
Quinary | 45 | |||
Senary | 46 | |||
Octal | 48 | |||
Duodecimal | 412 | |||
Hexadecimal | 416 | |||
Vigesimal | 420 | |||
Base 36 | 436 | |||
Greek | δ (or Δ) | |||
Arabic | ٤,4 | |||
Persian | ۴ | |||
Urdu | ||||
Ge'ez | ፬ | |||
Bengali | ৪ | |||
Chinese numeral | 四,亖,肆 | |||
Korean | 넷,사 | |||
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 | |||
Kannada | ४ |
The number four is a number and a numeral. It comes after the number two, and before the number five. In Roman numerals, it is IV.
Mathematics
[change | change source]In mathematics, the number four is an even number and the smallest composite number. Four is also the second square number after one. A small minority of people have four fingers on each hand and four toes on each foot.[source?] Four squared is 16, and four doubled is 8.
In geometry, quadrilaterals or tetragons are a kind of shapes called polygons have four sides and vertices, to which squares are quadrilaterals with sides of same length and vertices of the same wideness.
Visualization
[change | change source]Imagine you have 3 Bananas, if John gives you one more, now you have four Bananas. Another way, is visualizing a Square or a Rectangle, each of these basic shapes have four sides (4). "Duck" has 4 letters, D-U-C-K. "D" is the 4th letter in the Alphabet (A, B, and C presisting D)
A Leap year is every 4 Year (with the exception of every 100, and that exception has the excpetion of every 400 years), You also (if you're normal) have 2 legs and 2 arms, which would directly translate to 2+2, which is the same as 2(2), which is the same as 2^2, which is the same as 2/x = 0.5 solve for x, these are all 4, as 4 is the 4th Whole number in the Numeral system.
How to draw the number 4
[change | change source]Start with drawing a right triangle with the right angle pretruding towards the south east (quadrant IV) then take the two non-hypotenuse sides, and continue them outward in a straight line away from the hypotenuse.