By choosing I Accept, you consent to our use of cookies and other tracking technologies.

# 2011

Number 2011 is an odd four-digits prime number and natural number following 2010 and preceding 2012.

## Properties of the number 2011

 Nominal 2011 Cardinal two thousand eleven Cardinaltwo thousand eleven Ordinal 2,011th Number of digits 4 Sum of digits 4 Product of digits 0 Number parity Odd
Calculation was done in 0.0000350475 seconds

## Prime Factorization of 2011

 Prime factorization 2011 Prime factors 2011 Number of distinct prime factors ω(n) 1 Total number of prime factors Ω(n) 1 Sum of prime factors 2011 Product of prime factors 2011
Calculation was done in 0.0000851154 seconds

## Divisors of 2011

 List of proper divisors 1 List of all dividers 1, 2011 Number of divisors d(n) 2 Sum of all divisors σ(n) 2012 Aliquot sum 1 2011 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 2010.
Calculation was done in 0.0000140667 seconds

## Prime numbers

 Is 2011 a prime number? Yes Is 2011 a semiprime number? No Is 2011 a Chen prime number? No Is 2011 a Mersenne prime number? No
Calculation was done in 0.0010671616 seconds

## Sequences

 Is 2011 a Catalan number? No Is 2011 a Fibonacci number? No Is 2011 a Idoneal number? No
Calculation was done in 0.0000028610 seconds

## Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
 2011 is not a Happy number 2011 is not a Humble number 2011 is not a Münchhausen number 2011 is not a Perfect number 2011 is not a Perfect square 2011 is not a Palindrome
Calculation was done in 0.0089662075 seconds

## Numeric Bases of 2011

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
2Binary111110110112
3Ternary22021113
4Quaternary1331234
5Quinary310215
6Senary131516
7Septenary56027
8Octal37338
9Nonary26749
10Decimal2011
12Duodecimal11b712
20Vigesimal50b20
36Base361jv36
60SexagesimalXV60
Calculation was done in 0.0000169277 seconds

## Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
 Square of 2011 (n2) 4.04412e+06 Cube of 2011 (n3) 8.13273e+09 Square root of 2011 44.8442 Natural Logarithm (ln) of 2011 7.60639 Decimal Logarithm (log) of 2011 3.30341
Calculation was done in 0.0000047684 seconds

## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 2011 0.371572 Cosecant of 2011 2.69127 Cosine of 2011 0.928404 Secant of 2011 1.07712 Tangent of 2011 0.400227 Cotangent of 2011 2.49858
Calculation was done in 0.0000112057 seconds

## Number parity

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

No

### Is 2011 an Odd Number?

Yes, the number 2011 is an odd number.
Total number of all odd numbers from 1 to 2011 is 1006
Sum of all the odd numbers from 1 to 2011 are 1012036
The sum of all odd numbers is a perfect square: 1012036 = 1006
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000050068 seconds

## 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 2011 in words is "two thousand eleven", meaning that: 2011 is not an aban number (as it contains the letter a) 2011 is not an eban number (as it contains the letter e) 2011 is an iban number (a number without the letter i) 2011 is not an oban number (as it contains the letter o) 2011 is not a tban number (as it contains the letter t) 2011 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000028610 seconds

## Numeral systems

How to write 2011 in other number systems?
 Bengali numerals ২০১১ Eastern Arabic numerals ٢٬٠١١ Hieroglyphs numeralsused in Ancient Egypt 𓆼𓆼𓎆𓏺 Khmer numerals ២០១១ Japanese numerals 二千十一 Roman numerals MMXI Thai numerals ๒๐๑๑
Calculation was done in 0.0000841618 seconds

## Translation

How do you say 2011 in 38 different languages?
 Arabic ألفين و إحدى عشر Croatian dvije tisuće jedanaest Czech dvě tisíce jedenáct Danish to tusinde elleve Dutch tweeduizend en elf Estonian akpe eve kple wuiɖekɛ Faroese tvey tusin og ellivu Filipino dalawáng libó’t labíng-isá Finnish kaksi­tuhatta­yksitoista French deux mille onze Greek δύο χίλιάδες έντεκα German zwei­tausend­elf Hebrew אלפיים ואחת עשרה Hindi दो हज़ार ग्यारह Hungarian két­ezer­tizen­egy Icelandic tvö þúsund og ellefu Indonesian dua ribu sebelas Italian duemilaundici Japanese 二千十一 Korean 이천십일 Latvian divtūkstoš vienpadsmit Lithuanian du tūkstančiai vienuolika Norwegian to tusen og elleve Persian دو هزار و یازده Polish dwa tysiące jedenaście Portuguese dois mil e onze Romanian două mii unsprezece Russian две тысячи одиннадцать Serbian две хиљада једанаест Slovak dve tisíc jedenásť Slovene dvije tisuće enajst Spanish dos mil once Swahili elfu mbili, kumi na moja Swedish tvåtusenelva Thai สอง​พัน​สิบ​เอ็ด Turkish iki bin on bir Ukrainian дві тисячі одинадцять Vietnamese hai nghìn không trăm mười một
Calculation was done in 0.0137670040 seconds

## Miscellaneous

 Number 2011 reversed 1102 Unicode Character U+07DB ߛ Unix Timestamp Thu, 01 Jan 1970 00:33:31 +0000
Calculation was done in 0.0000212193 seconds