Number: 12

Facts about the number: 12 is the number of ounces in a troy pound (used for precious metals). 12 is the number of basic hues in the color wheel (3 primary colors (red, yellow, blue), 3 secondary colors (orange, green & purple) and 6 tertiary colors). 12 is the number of keys in any standard digital telephone (1 through 9, 0, * and #). 12 is the number of people who have walked on Earth's moon. 12 is the number of function keys on most PC keyboards (F1 through F12). 12 is the largest number that has just one syllable. 12 is a superfactorial, being the product of the first three factorials. 12 is the smallest weight for which a cusp form exists. 12 is the smallest abundant number. 12 is a sublime number, a number that has a perfect number of divisors, and the sum of its divisors is also a perfect number.
The number of digits in the number: \( n \): \( d = \lfloor \log_{10}(n) \rfloor + 1 \)	2
Sum of the digits: \( n \): \( S = \sum_{i=1}^{k} d_i \)	3
Reverse number: \( \text{Reverse}(n) = \sum_{i=1}^{k} d_i \cdot 10^{k-i} \)	0.083333333333333
Binary number system: \( n = \sum_{i=0}^{k-1} d_i \cdot 2^i \)	10011011010
Hexadecimal number system: \( n = \sum_{i=0}^{k-1} d_i \cdot 16^i \)	4da
Parity of the number: \( \text{Parity}(n) = n \mod 2 \)	even
Simplicity of the number: \(\text{IsPrime}(n) = n > 1 \land \forall d \in [2, \sqrt{n}], n \mod d \neq 0\)	false
The square root: \(\sqrt{n} = n^{\frac{1}{2}}\)	3.4641016151378
The factorial of the number: \( n!=n \times (n-1) \times (n-2) \times \ldots \times 2 \times 1 \)	479001600
The sign of the number: \(\text{sign}(n) = \begin{cases} 1, & \text{if } n>0 \ 0, & \text{if } n=0 \ -1, & \text{if } n<0 \end{cases}\)	+
The nearest multiple of 10: \(\text{10}(n) = 10 \times \left\lfloor \frac{n + 5}{10} \right\rfloor\)	0
The nearest multiple of 100: \(\text{100}(n) = 100 \times \left\lfloor \frac{n + 50}{100} \right\rfloor\)	0
Sine: \(\sin(x) = \sum_{n=0}^{\infty} \frac{(-1)^n x^{2n+1}}{(2n+1)!}\)	-0.53657291800043
Cosine: \(\cos(x) = \sum_{n=0}^{\infty} \frac{(-1)^n x^{2n}}{(2n)!}\)	0.84385395873249
Tangent: \(\tan(x) = \sum_{n=0}^{\infty} \frac{(-1)^n 2^{2n} (2^{2n} - 1) B_{2n} x^{2n-1}}{(2n)!}\)	-0.63585992866158
The square of the number: \(\text{square}(n) = n^2\)	144
Cubic root: \(\text{}(n) = \sqrt[3]{n}\)	2.2894284851067
Natural logarithm: \(\ln(ab) = \ln(a) + \ln(b)\)	2.484906649788
Common logarithm: \(\log_{10}(ab) = \log_{10}(a) + \log_{10}(b)\)	1.0791812460476
All divisors of a number: \( D(n) = \{ d \in \mathbb{Z}^+ : n \mod d = 0 \} \)	1, 2, 3, 4, 6, 12
Base64:	MTIuNDI=
SHA1:	f8af7d93dfbf61a8cd92c41ebdec6e2c8003e22a
MD5:	f796f481b8f5a149fdb534a7d0d82f4f
Converts a number to a Roman representation:	XII
Converting the number of seconds to days, hours, minutes and seconds:	days: 0, hours: 0, minutes: 0, seconds: 12.
Converts a number to a date in UNIX time format:
	Chinese:	1970 月 1 星期四
	Spanish:	1970 Enero 1 Jueves
	English:	1970 January 1 Thursday
	Hindi:	1970 जनवरी 1 गुरुवार
	Arab:	1970 يناير 1 الخميس
	Bengal:	1970 জানুয়ারী 1 বৃহস্পতিবার
	Portuguese:	1970 Janeiro 1 Quinta-feira
	Russian:	1970 Январь 1 Четверг
	Japanese:	1970 一月 1 木曜日
	Lahnda:	1970 جنوری 1 جمعرات
	Marathi:	1970 जानेवारी 1 गुरुवार
	Telugu:	1970 జనవరి 1 గురువారం
	Malay:	1970 Januari 1 Khamis
	Turkish:	1970 Ocak 1 Perşembe
	Korean:	1970 1월 1 목요일
	French:	1970 Janvier 1 Jeudi
	German:	1970 Januar 1 Donnerstag
	Vietnamese:	1970 Tháng Một 1 Thứ năm
	Tamil:	1970 ஜனவரி 1 வியாழக்கிழமை
	Urdu:	1970 جنوری 1 جمعرات
	Javanese:	1970 Januari 1 Kemis
	Italian:	1970 Gennaio 1 Giovedì
	Persian:	1970 ژانویه 1 پنج‌شنبه
	Gujaratis:	1970 જાન્યુઆરી 1 ગુરુવાર
Length:
	12 kilometers = 12,000.00 meters
	12 miles = 19,312.08 meters
	12 feet = 3.66 meters
	12 inches = 0.30 meters
	12 yards = 10.97 meters
	12 meters = 0.01 kilometers
	12 meters = 0.01 miles
	12 meters = 39.37 feet
	12 meters = 472.44 inches
	12 meters = 13.12 yards
Weight:
	12 pounds = 5.44 kilograms
	12 grams = 0.01 kilograms
	12 ounces = 0.34 kilograms
	12 tons = 10,886.22 kilograms
	12 kilograms = 26.46 pounds
	12 kilograms = 12,000.00 grams
	12 kilograms = 423.29 ounces
	12 kilograms = 0.01 tons
Volume:
	12 gallons = 45.42 liters
	12 milliliters = 0.01 liters
	12 cubic meters = 12,000.00 liters
	12 liters = 3.17 gallons
	12 liters = 12,000.00 milliliters
	12 liters = 0.01 cubic meters
Area:
	12 acres = 48,562.32 square meters
	12 hectares = 120,000.00 square meters
	12 square feet = 1.11 square meters
	12 square inches = 0.01 square meters
	12 square meters = 0.00 acres
	12 square meters = 0.00 hectares
	12 square meters = 129.17 square feet
	12 square meters = 18,600.04 square inches
Temperature:
	12 celsius = 53.60 fahrenheit
	12 celsius = 285.15 kelvin
	12 fahrenheit = -11.11 celsius
	12 fahrenheit = 262.04 kelvin
	12 kelvin = -261.15 celsius
	12 kelvin = -438.07 fahrenheit
Time:
	12 seconds = 0.20 minutes
	12 seconds = 0.00 hours
	12 seconds = 0.00 days
	12 minutes = 720.00 seconds
	12 minutes = 0.20 hours
	12 minutes = 0.01 days
	12 hours = 43,200.00 seconds
	12 hours = 720.00 minutes
	12 hours = 0.50 days
	12 days = 1,036,800.00 seconds
	12 days = 17,280.00 minutes
	12 days = 288.00 hours
Energy:
	12 joules = 2.87 calories
	12 joules = 0.01 kilojoules
	12 joules = 0.00 watt hours
	12 calories = 50.21 joules
	12 calories = 0.05 kilojoules
	12 kilojoules = 12,000.00 joules
	12 kilojoules = 2,868.07 calories
	12 watt hours = 43,200.00 joules
	12 watt hours = 43.20 kilojoules
Information:
	12 bytes = 0.01 kilobytes
	12 kilobytes = 12,288.00 bytes
	12 kilobytes = 0.01 megabytes
	12 megabytes = 12,288.00 kilobytes
	12 megabytes = 0.01 gigabytes
	12 gigabytes = 12,288.00 megabytes
	12 gigabytes = 0.01 terabytes
	12 terabytes = 12,288.00 gigabytes