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84

Number 84 (eighty-four) is an even two-digits composite number and natural number following 83 and preceding 85.

Properties of the number 84

 Nominal 84 Cardinal eighty-four Ordinal 84th Number of digits 2 Sum of digits 12 Product of digits 32 Number parity Even
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Prime Factorization of 84

 Prime factorization 2 x 2 x 3 x 7 Prime factorization in exponent form 22 x 3 x 7 Prime factors 2, 3, 7 Number of distinct prime factors ω(n) 3 Total number of prime factors Ω(n) 4 Sum of prime factors 12 Product of prime factors 42
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Divisors of 84

 List of proper divisors 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42 List of all dividers 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 Number of divisors d(n) 12 Sum of all divisors σ(n) 224 Aliquot sum 140 84 is an abundant number , because the sum of its proper divisors (140) is greater than itself. Its abundance is 56.
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Prime numbers

 Is 84 a prime number? No Is 84 a semiprime number? No Is 84 a Chen prime number? No Is 84 a Mersenne prime number? No
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Sequences

 Is 84 a Catalan number? No Is 84 a Fibonacci number? No Is 84 a Idoneal number? No
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Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
 84 is not a Happy number 84 is a Humble number 84 is not a Münchhausen number 84 is not a Perfect number 84 is not a Perfect square 84 is not a Palindrome
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Numeric Bases of 84

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.
BaseSystemValue
2Binary10101002
3Ternary100103
4Quaternary11104
5Quinary3145
6Senary2206
7Septenary1507
8Octal1248
9Nonary1039
10Decimal84
12Duodecimal7012
20Vigesimal4420
36Base362c36
60Sexagesimal1O60
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Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
 Square of 84 (n2) 7056 Cube of 84 (n3) 592704 Square root of 84 9.16515 Natural Logarithm (ln) of 84 4.43082 Decimal Logarithm (log) of 84 1.92428
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 84 0.73319 Cosecant of 84 1.3639 Cosine of 84 -0.680023 Secant of 84 -1.47054 Tangent of 84 -1.07818 Cotangent of 84 -0.927486
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Number parity

Parity is the property of an integer of whether it is even or odd.

Is 84 an Even Number?

Yes, the number 84 is an even number.

Is 84 an Odd Number?

No
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Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".
 The spelling of 84 in words is "eighty-four", meaning that: 84 is an aban number (a number without the letter a) 84 is not an eban number (as it contains the letter e) 84 is not an iban number (as it contains the letter i) 84 is not an oban number (as it contains the letter o) 84 is not a tban number (as it contains the letter t) 84 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 84 in other number systems?
 Bengali numerals ৮৪ Eastern Arabic numerals ٨٤ Hieroglyphs numeralsused in Ancient Egypt 𓎍𓏽 Khmer numerals ៨៤ Japanese numerals 八十四 Roman numerals LXXXIV Thai numerals ๘๔
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Translation

How do you say 84 in 38 different languages?
 Arabic أربعة و ثمانون Croatian osamdeset i četiri Czech osmdesát čtyři Danish fire og firs Dutch vierentachtig Estonian blaenyi vɔ ene Faroese áttati­fýre Filipino walóng pû’t ápat Finnish kahdeksan­kymmentä­neljä French quatre-vingt-quatre Greek ογδόντα τέσσερα German vier­und­achtzig Hebrew שמונים וארבע Hindi चौरासी Hungarian nyolcvan­négy Icelandic áttatíu og fjórir Indonesian delapan puluh empat Italian ottantaquattro Japanese 八十四 Korean 팔십사 Latvian astoņdesmit četri Lithuanian aštuoniasdešimt keturi Norwegian åtti­fire Persian هشتاد و چهار Polish osiemdziesiąt cztery Portuguese oitenta e quatro Romanian optzeci şi patru Russian восемьдесят четыре Serbian осамдесет и четири Slovak osemdesiat­štyri Slovene osemdeset štiri Spanish ochenta y cuatro Swahili themanini na nne Swedish åttiofyra Thai แปด​สิบ​สี่ Turkish seksen dört Ukrainian вісімдесят чотири Vietnamese tám mươi tư
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Miscellaneous

 Number 84 reversed 48 ASCII Code 84 T Unicode Character U+0054 T Unix Timestamp Thu, 01 Jan 1970 00:01:24 +0000
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