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Number: 79

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Facts about the number:
79 is the record for cumulative weeks at #1 on the Billboard charts, held by Elvis Presley.
79 is the smallest prime number p for which the real quadratic field Q has class number greater than 1 (namely 3).
79 is a cousin prime with 83.
79 is a prime in a residue classes 4n+3, 8n+7, and 10n+9.
79 is the n value of the Wagstaff prime 201487636602438195784363.
79 is a Pillai prime, because 23!.
79 is the smallest number that can't be represented as a sum of fewer than 19 fourth powers.
79 is a permutable prime, with ninety-seven.
79 is a sexy prime (with 73).
79 is a prime number that is also a Gaussian prime (since it is of the form 4n + 3).
The number of digits in the number:
\( n \): \( d = \lfloor \log_{10}(n) \rfloor + 1 \)
2
Sum of the digits:
\( n \): \( S = \sum_{i=1}^{k} d_i \)
16
Reverse number:
\( \text{Reverse}(n) = \sum_{i=1}^{k} d_i \cdot 10^{k-i} \)
0.012658227848101
Binary number system:
\( n = \sum_{i=0}^{k-1} d_i \cdot 2^i \)
1001111
Hexadecimal number system:
\( n = \sum_{i=0}^{k-1} d_i \cdot 16^i \)
4f
Parity of the number:
\( \text{Parity}(n) = n \mod 2 \)
odd
Simplicity of the number:
\(\text{IsPrime}(n) = n > 1 \land \forall d \in [2, \sqrt{n}], n \mod d \neq 0\)
true
The square root:
\(\sqrt{n} = n^{\frac{1}{2}}\)
8.8881944173156
The factorial of the number:
\( n!=n \times (n-1) \times (n-2) \times \ldots \times 2 \times 1 \)
8.946182130783E+116
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:
\(\sin(x) = \sum_{n=0}^{\infty} \frac{(-1)^n x^{2n+1}}{(2n+1)!}\)
-0.44411266870751
Cosine:
\(\cos(x) = \sum_{n=0}^{\infty} \frac{(-1)^n x^{2n}}{(2n)!}\)
-0.89597094679096
Tangent:
\(\tan(x) = \sum_{n=0}^{\infty} \frac{(-1)^n 2^{2n} (2^{2n} - 1) B_{2n} x^{2n-1}}{(2n)!}\)
0.49567753318136
The square of the number:
\(\text{square}(n) = n^2\)
6241
Cubic root:
\(\text{}(n) = \sqrt[3]{n}\)
4.2908404270262
Natural logarithm:
\(\ln(ab) = \ln(a) + \ln(b)\)
4.369447852467
Common logarithm:
\(\log_{10}(ab) = \log_{10}(a) + \log_{10}(b)\)
1.8976270912904
All divisors of a number:
\( D(n) = \{ d \in \mathbb{Z}^+ : n \mod d = 0 \} \)
1, 79
Base64: Nzk=
SHA1: b74f5ee9461495ba5ca4c72a7108a23904c27a05
MD5: d1fe173d08e959397adf34b1d77e88d7
Converts a number to a Roman representation: LXXIX
Converting the number of seconds to days, hours, minutes and seconds: days: 0, hours: 0, minutes: 1, seconds: 19.
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:
79 kilometers = 79,000.00 meters
79 miles = 127,137.86 meters
79 feet = 24.08 meters
79 inches = 2.01 meters
79 yards = 72.24 meters
79 meters = 0.08 kilometers
79 meters = 0.05 miles
79 meters = 259.19 feet
79 meters = 3,110.24 inches
79 meters = 86.40 yards
Weight:
79 pounds = 35.83 kilograms
79 grams = 0.08 kilograms
79 ounces = 2.24 kilograms
79 tons = 71,667.62 kilograms
79 kilograms = 174.17 pounds
79 kilograms = 79,000.00 grams
79 kilograms = 2,786.65 ounces
79 kilograms = 0.09 tons
Volume:
79 gallons = 299.05 liters
79 milliliters = 0.08 liters
79 cubic meters = 79,000.00 liters
79 liters = 20.87 gallons
79 liters = 79,000.00 milliliters
79 liters = 0.08 cubic meters
Area:
79 acres = 319,701.94 square meters
79 hectares = 790,000.00 square meters
79 square feet = 7.34 square meters
79 square inches = 0.05 square meters
79 square meters = 0.02 acres
79 square meters = 0.01 hectares
79 square meters = 850.35 square feet
79 square meters = 122,450.24 square inches
Temperature:
79 celsius = 174.20 fahrenheit
79 celsius = 352.15 kelvin
79 fahrenheit = 26.11 celsius
79 fahrenheit = 299.26 kelvin
79 kelvin = -194.15 celsius
79 kelvin = -317.47 fahrenheit
Time:
79 seconds = 1.32 minutes
79 seconds = 0.02 hours
79 seconds = 0.00 days
79 minutes = 4,740.00 seconds
79 minutes = 1.32 hours
79 minutes = 0.05 days
79 hours = 284,400.00 seconds
79 hours = 4,740.00 minutes
79 hours = 3.29 days
79 days = 6,825,600.00 seconds
79 days = 113,760.00 minutes
79 days = 1,896.00 hours
Energy:
79 joules = 18.88 calories
79 joules = 0.08 kilojoules
79 joules = 0.02 watt hours
79 calories = 330.54 joules
79 calories = 0.33 kilojoules
79 kilojoules = 79,000.00 joules
79 kilojoules = 18,881.47 calories
79 watt hours = 284,400.00 joules
79 watt hours = 284.40 kilojoules
Information:
79 bytes = 0.08 kilobytes
79 kilobytes = 80,896.00 bytes
79 kilobytes = 0.08 megabytes
79 megabytes = 80,896.00 kilobytes
79 megabytes = 0.08 gigabytes
79 gigabytes = 80,896.00 megabytes
79 gigabytes = 0.08 terabytes
79 terabytes = 80,896.00 gigabytes