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# 68

Number 68 (sixty-eight) is an even two-digits composite number and natural number following 67 and preceding 69.

## Properties of the number 68

 Nominal 68 Cardinal sixty-eight Ordinal 68th Number of digits 2 Sum of digits 14 Product of digits 48 Number parity Even
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## Prime Factorization of 68

 Prime factorization 2 x 2 x 17 Prime factorization in exponent form 22 x 17 Prime factors 2, 17 Number of distinct prime factors ω(n) 2 Total number of prime factors Ω(n) 3 Sum of prime factors 19 Product of prime factors 34
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## Divisors of 68

 List of proper divisors 1, 2, 4, 17, 34 List of all dividers 1, 2, 4, 17, 34, 68 Number of divisors d(n) 6 Sum of all divisors σ(n) 126 Aliquot sum 58 68 is a deficient number , since it is larger than the sum of its proper divisors (58). Its deficiency is 10.
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## Prime numbers

 Is 68 a prime number? No Is 68 a semiprime number? No Is 68 a Chen prime number? No Is 68 a Mersenne prime number? No
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## Sequences

 Is 68 a Catalan number? No Is 68 a Fibonacci number? No Is 68 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.
 68 is a Happy number 68 is not a Humble number 68 is not a Münchhausen number 68 is not a Perfect number 68 is not a Perfect square 68 is not a Palindrome
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## Numeric Bases of 68

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
2Binary10001002
3Ternary21123
4Quaternary10104
5Quinary2335
6Senary1526
7Septenary1257
8Octal1048
9Nonary759
10Decimal68
12Duodecimal5812
20Vigesimal3820
36Base361w36
60Sexagesimal1860
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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 68 (n2) 4624 Cube of 68 (n3) 314432 Square root of 68 8.24621 Natural Logarithm (ln) of 68 4.21951 Decimal Logarithm (log) of 68 1.83251
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 68 -0.897928 Cosecant of 68 -1.11368 Cosine of 68 0.440143 Secant of 68 2.27199 Tangent of 68 -2.04008 Cotangent of 68 -0.490176
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## Number parity

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

### Is 68 an Even Number?

Yes, the number 68 is an even number.

### Is 68 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 68 in words is "sixty-eight", meaning that: 68 is an aban number (a number without the letter a) 68 is not an eban number (as it contains the letter e) 68 is not an iban number (as it contains the letter i) 68 is an oban number (a number without the letter o) 68 is not a tban number (as it contains the letter t) 68 is an uban number (a number without the letter u)
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## Numeral systems

How to write 68 in other number systems?
 Bengali numerals ৬৮ Eastern Arabic numerals ٦٨ Hieroglyphs numeralsused in Ancient Egypt 𓎋𓐁 Khmer numerals ៦៨ Japanese numerals 六十八 Roman numerals LXVIII Thai numerals ๖๘
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## Translation

How do you say 68 in 38 different languages?
 Arabic ثمانية و ستون Croatian šezdeset i osam Czech šedesát osm Danish otte og tres Dutch achtenzestig Estonian blaade vɔ enyi Faroese seksti­átta Filipino anim na pû’t waló Finnish kuusi­kymmentä­kahdeksan French soixante-huit Greek εξήντα οκτώ German acht­und­sechzig Hebrew שישים ושמונה Hindi अड़सठ Hungarian hatvan­nyolc Icelandic sextíu og átta Indonesian enam puluh delapan Italian sessantotto Japanese 六十八 Korean 육십팔 Latvian sešdesmit astoņi Lithuanian šešiasdešimt aštuoni Norwegian seksti­åtte Persian شصت و هشت Polish sześćdziesiąt osiem Portuguese sessenta e oito Romanian şasezeci şi opt Russian шестьдесят восемь Serbian шездесет и осам Slovak šesťdesiat­osem Slovene šestdeset osem Spanish sesenta y ocho Swahili sitini na nane Swedish sextioåtta Thai หก​สิบ​แปด Turkish altmış sekiz Ukrainian шістдесят вісім Vietnamese sáu mươi tám
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## Miscellaneous

 Number 68 reversed 86 ASCII Code 68 D Unicode Character U+0044 D Unix Timestamp Thu, 01 Jan 1970 00:01:08 +0000
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