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2001

Number 2001 is an odd four-digits composite number and natural number following 2000 and preceding 2002.

Properties of the number 2001

Nominal2001
Cardinaltwo thousand one
Cardinal
two thousand one
Ordinal2,001st
Number of digits4
Sum of digits3
Product of digits0
Number parityOdd
Calculation was done in 0.0000391006 seconds

Prime Factorization of 2001

Prime factorization3 x 23 x 29
Prime factors3, 23, 29
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)3
Sum of prime factors55
Product of prime factors2001
Calculation was done in 0.0000109673 seconds

Divisors of 2001

List of proper divisors 1, 3, 23, 29, 69, 87, 667
List of all dividers1, 3, 23, 29, 69, 87, 667, 2001
Number of divisors d(n)8
Sum of all divisors σ(n)2880
Aliquot sum 879
2001 is a deficient number , since it is larger than the sum of its proper divisors (879). Its deficiency is 1122.
Calculation was done in 0.0000169277 seconds

Prime numbers

Is 2001 a prime number?No
Is 2001 a semiprime number?No
Is 2001 a Chen prime number?No
Is 2001 a Mersenne prime number?No
Calculation was done in 0.0004169941 seconds

Sequences

Is 2001 a Catalan number?No
Is 2001 a Fibonacci number?No
Is 2001 a Idoneal number?No
Calculation was done in 0.0000050068 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
2001 is not a Happy number
2001 is not a Humble number
2001 is not a Münchhausen number
2001 is not a Perfect number
2001 is not a Perfect square
2001 is not a Palindrome
Calculation was done in 0.0062551498 seconds

Numeric Bases of 2001

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
2Binary111110100012
3Ternary22020103
4Quaternary1331014
5Quinary310015
6Senary131336
7Septenary55567
8Octal37218
9Nonary26639
10Decimal2001
12Duodecimal11a912
16Hexadecimal7d116
20Vigesimal50120
36Base361jl36
60SexagesimalXL60
Calculation was done in 0.0000190735 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 2001 (n2)4004001
Cube of 2001 (n3)8012006001
Square root of 200144.73253849269
Natural Logarithm (ln) of 20017.6014023345837
Decimal Logarithm (log) of 20013.3012470886362
Calculation was done in 0.0000038147 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 20010.19329594012556
Cosecant of 20015.1734143994459
Cosine of 2001-0.98114049938374
Secant of 2001-1.0192220182819
Tangent of 2001-0.19701147822047
Cotangent of 2001-5.0758463873914
Calculation was done in 0.0000109673 seconds

Number parity

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

Is 2001 an Even Number?

No

Is 2001 an Odd Number?

Yes, the number 2001 is an odd number.
Total number of all odd numbers from 1 to 2001 is 1001
Sum of all the odd numbers from 1 to 2001 are 1002001
The sum of all odd numbers is a perfect square: 1002001 = 1001
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 0.0000059605 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 2001 in words is "two thousand one", meaning that:
2001 is not an aban number (as it contains the letter a)
2001 is not an eban number (as it contains the letter e)
2001 is an iban number (a number without the letter i)
2001 is not an oban number (as it contains the letter o)
2001 is not a tban number (as it contains the letter t)
2001 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000019073 seconds

Numeral systems

How to write 2001 in other number systems?
Bengali numerals২০০১
Eastern Arabic numerals٢٬٠٠١
Hieroglyphs numeralsused in Ancient Egypt𓆼𓆼𓏺
Khmer numerals២០០១
Japanese numerals二千一
Roman numeralsMMI
Thai numerals๒๐๐๑
Calculation was done in 0.0000939369 seconds

Translation

How do you say 2001 in 38 different languages?
Arabicألفين و واحد
Croatiandvije tisuće jedan
Czechdvě tisíce jeden
Danish to tusinde en
Dutchtweeduizend en één
Estonianakpe eve kple ɖeka
Faroesetvey tusin og ein
Filipinodalawáng libó’t isá
Finnishkaksi­tuhatta­yksi
Frenchdeux mille un
Greekδύο χίλιάδες ένα
Germanzwei­tausend­eins
Hebrewאלפיים ואחת
Hindiदो हज़ार एक
Hungariankét­ezer­egy
Icelandictvö þúsund og einn
Indonesiandua ribu satu
Italianduemilauno
Japanese二千一
Korean이천일
Latviandivtūkstoš viens
Lithuaniandu tūkstančiai vienas
Norwegianto tusen og én
Persianدو هزار و یک
Polishdwa tysiące jeden
Portuguesedois mil e um
Romaniandouă mii unu
Russianдве тысячи один
Serbianдве хиљада један
Slovakdve tisíc jeden
Slovenedvije tisuće ena
Spanish dos mil uno
Swahilielfu mbili, moja
Swedishtvåtusenen
Thaiสอง​พัน​หนึ่ง
Turkishiki bin bir
Ukrainianдві тисячі один
Vietnamesehai nghìn không trăm lẻ một
Calculation was done in 0.0145049095 seconds

Miscellaneous

Number 2001 reversed1002
Unicode CharacterU+07D1ߑ
Unix TimestampThu, 01 Jan 1970 00:33:21 +0000
Calculation was done in 0.0000200272 seconds
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