Number: 99

Facts about the number: 99 is a common price ending in psychological pricing. 99 is the highest jersey number allowed in most major league sports. 99 is the number of names of Allah, the names or attributes of God in the Qur'an. 99 is the ninth repdigit, a palindromic number and a Kaprekar number.
The number of digits in the number: \( n \): \( d = \lfloor \log_{10}(n) \rfloor + 1 \)	2
Sum of the digits: \( n \): \( S = \sum_{i=1}^{k} d_i \)	18
Reverse number: \( \text{Reverse}(n) = \sum_{i=1}^{k} d_i \cdot 10^{k-i} \)	0.01010101010101
Binary number system: \( n = \sum_{i=0}^{k-1} d_i \cdot 2^i \)	1111011010
Hexadecimal number system: \( n = \sum_{i=0}^{k-1} d_i \cdot 16^i \)	3da
Parity of the number: \( \text{Parity}(n) = n \mod 2 \)	odd
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: \(\sqrt{n} = n^{\frac{1}{2}}\)	9.9498743710662
The factorial of the number: \( n!=n \times (n-1) \times (n-2) \times \ldots \times 2 \times 1 \)	9.3326215443944E+155
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: \(\sin(x) = \sum_{n=0}^{\infty} \frac{(-1)^n x^{2n+1}}{(2n+1)!}\)	-0.99920683418635
Cosine: \(\cos(x) = \sum_{n=0}^{\infty} \frac{(-1)^n x^{2n}}{(2n)!}\)	0.039820880393139
Tangent: \(\tan(x) = \sum_{n=0}^{\infty} \frac{(-1)^n 2^{2n} (2^{2n} - 1) B_{2n} x^{2n-1}}{(2n)!}\)	-25.092534979677
The square of the number: \(\text{square}(n) = n^2\)	9801
Cubic root: \(\text{}(n) = \sqrt[3]{n}\)	4.6260650091827
Natural logarithm: \(\ln(ab) = \ln(a) + \ln(b)\)	4.5951198501346
Common logarithm: \(\log_{10}(ab) = \log_{10}(a) + \log_{10}(b)\)	1.9956351945975
All divisors of a number: \( D(n) = \{ d \in \mathbb{Z}^+ : n \mod d = 0 \} \)	1, 3, 9, 11, 33, 99
Base64:	OTguNg==
SHA1:	cfd2e30314e76087314657635d0c6ef8d65ec599
MD5:	7800e836a239cdde497a24a8ca4068a5
Converts a number to a Roman representation:	XCIX
Converting the number of seconds to days, hours, minutes and seconds:	days: 0, hours: 0, minutes: 1, seconds: 39.
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:
	99 kilometers = 99,000.00 meters
	99 miles = 159,324.66 meters
	99 feet = 30.18 meters
	99 inches = 2.51 meters
	99 yards = 90.53 meters
	99 meters = 0.10 kilometers
	99 meters = 0.06 miles
	99 meters = 324.80 feet
	99 meters = 3,897.64 inches
	99 meters = 108.27 yards
Weight:
	99 pounds = 44.91 kilograms
	99 grams = 0.10 kilograms
	99 ounces = 2.81 kilograms
	99 tons = 89,811.32 kilograms
	99 kilograms = 218.26 pounds
	99 kilograms = 99,000.00 grams
	99 kilograms = 3,492.13 ounces
	99 kilograms = 0.11 tons
Volume:
	99 gallons = 374.76 liters
	99 milliliters = 0.10 liters
	99 cubic meters = 99,000.00 liters
	99 liters = 26.15 gallons
	99 liters = 99,000.00 milliliters
	99 liters = 0.10 cubic meters
Area:
	99 acres = 400,639.14 square meters
	99 hectares = 990,000.00 square meters
	99 square feet = 9.20 square meters
	99 square inches = 0.06 square meters
	99 square meters = 0.02 acres
	99 square meters = 0.01 hectares
	99 square meters = 1,065.63 square feet
	99 square meters = 153,450.31 square inches
Temperature:
	99 celsius = 210.20 fahrenheit
	99 celsius = 372.15 kelvin
	99 fahrenheit = 37.22 celsius
	99 fahrenheit = 310.37 kelvin
	99 kelvin = -174.15 celsius
	99 kelvin = -281.47 fahrenheit
Time:
	99 seconds = 1.65 minutes
	99 seconds = 0.03 hours
	99 seconds = 0.00 days
	99 minutes = 5,940.00 seconds
	99 minutes = 1.65 hours
	99 minutes = 0.07 days
	99 hours = 356,400.00 seconds
	99 hours = 5,940.00 minutes
	99 hours = 4.13 days
	99 days = 8,553,600.00 seconds
	99 days = 142,560.00 minutes
	99 days = 2,376.00 hours
Energy:
	99 joules = 23.66 calories
	99 joules = 0.10 kilojoules
	99 joules = 0.03 watt hours
	99 calories = 414.22 joules
	99 calories = 0.41 kilojoules
	99 kilojoules = 99,000.00 joules
	99 kilojoules = 23,661.59 calories
	99 watt hours = 356,400.00 joules
	99 watt hours = 356.40 kilojoules
Information:
	99 bytes = 0.10 kilobytes
	99 kilobytes = 101,376.00 bytes
	99 kilobytes = 0.10 megabytes
	99 megabytes = 101,376.00 kilobytes
	99 megabytes = 0.10 gigabytes
	99 gigabytes = 101,376.00 megabytes
	99 gigabytes = 0.10 terabytes
	99 terabytes = 101,376.00 gigabytes