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21008

Number 21008 is an even five-digits composite number and natural number following 21007 and preceding 21009.

Properties of the number 21008

Nominal21008
Cardinaltwenty-one thousand eight
Cardinal
twenty-one thousand eight
Ordinal21,008th
Number of digits5
Sum of digits11
Product of digits0
Number parityEven
Calculation was done in 0.0000422001 seconds

Prime Factorization of 21008

Prime factorization2 x 2 x 2 x 2 x 13 x 101
Prime factorization in exponent form24 x 13 x 101
Prime factors2, 13, 101
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)6
Sum of prime factors116
Product of prime factors2626
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Divisors of 21008

List of proper divisors 1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10504
List of all dividers1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10504, 21008
Number of divisors d(n)20
Sum of all divisors σ(n)44268
Aliquot sum 23260
21008 is an abundant number , because the sum of its proper divisors (23260) is greater than itself. Its abundance is 2252.
Calculation was done in 0.0000269413 seconds

Prime numbers

Is 21008 a prime number?No
Is 21008 a semiprime number?No
Is 21008 a Chen prime number?No
Is 21008 a Mersenne prime number?No
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Sequences

Is 21008 a Catalan number?No
Is 21008 a Fibonacci number?No
Is 21008 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.
21008 is not a Happy number
21008 is not a Humble number
21008 is not a Münchhausen number
21008 is not a Perfect number
21008 is not a Perfect square
21008 is not a Palindrome
Calculation was done in 0.0066990852 seconds

Numeric Bases of 21008

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
2Binary1010010000100002
3Ternary10012110023
4Quaternary110201004
5Quinary11330135
6Senary2411326
7Septenary1151517
8Octal510208
9Nonary317329
10Decimal21008
12Duodecimal101a812
16Hexadecimal521016
20Vigesimal2ca820
36Base36g7k36
60Sexagesimal5o860
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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 21008 (n2)441336064
Cube of 21008 (n3)9271588032512
Square root of 21008144.94136745595
Natural Logarithm (ln) of 210089.9526585965426
Decimal Logarithm (log) of 210084.3223847087454
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 21008-0.16910886837643
Cosecant of 21008-5.9133504327759
Cosine of 21008-0.98559737755153
Secant of 21008-1.0146130892558
Tangent of 210080.17158007136397
Cotangent of 210085.8281826790871
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Number parity

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

Is 21008 an Even Number?

Yes, the number 21008 is an even number.

Is 21008 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 21008 in words is "twenty-one thousand eight", meaning that:
21008 is not an aban number (as it contains the letter a)
21008 is not an eban number (as it contains the letter e)
21008 is not an iban number (as it contains the letter i)
21008 is not an oban number (as it contains the letter o)
21008 is not a tban number (as it contains the letter t)
21008 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 21008 in other number systems?
Bengali numerals২১০০৮
Eastern Arabic numerals٢١٬٠٠٨
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓐁
Khmer numerals២១០០៨
Japanese numerals二万千八
Roman numeralsn/a
Thai numerals๒๑๐๐๘
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Translation

How do you say 21008 in 38 different languages?
Arabicواحد و عشرون ألف و ثمانية
Croatiandvadeset i jedna tisuća osam
Czechdvacet jedna tisíc osm
Danish en og tyve tusinde og otte
Dutchéénentwintigduizend en acht
Estonianakpe blaeve vɔ ɖekɛ kple enyi
Faroesetjúgo­eitt tusin og átta
Filipinodalawáng pû’t isáng libó’t waló
Finnishkaksi­kymmentä­yksi­tuhatta­kahdeksan
Frenchvingt et un mille huit
Greekείκοσι μία χίλιάδες οκτώ
Germanein­und­zwanzig­tausend­acht
Hebrewעשרים ואחד אלף ושמונה
Hindiइक्कीस हज़ार आठ
Hungarianhuszon­egy­ezer­nyolc
Icelandictuttugu og eitt þúsund og átta
Indonesiandua puluh satu ribu delapan
Italianventunomilaotto
Japanese二万千八
Korean이만 천팔
Latviandivdesmit viens tūkstoši astoņi
Lithuaniandvidešimt vienas tūkstantis aštuoni
Norwegiantjue­ett tusen og åtte
Persianبیست و یک هزار و هشت
Polishdwadzieścia jeden tysięcy osiem
Portuguesevinte e um mil e oito
Romaniandouăzeci şi una mii opt
Russianдвадцать одна тысяча восемь
Serbianдвадесет и једна хиљада осам
Slovakdvadsať­jedna tisíc osem
Slovenedvaset ena tisuću osem
Spanish veintiún mil ocho
Swahilielfu ishirini na moja, nane
Swedishtjugoentusenåtta
Thaiสอง​หมื่น​หนึ่ง​พัน​แปด
Turkishyirmi bir bin sekiz
Ukrainianдвадцять одна тисяча вісім
Vietnamesehai mươi mốt nghìn không trăm lẻ tám
Calculation was done in 0.0141620636 seconds

Miscellaneous

Number 21008 reversed80012
Unicode CharacterU+5210
Unix TimestampThu, 01 Jan 1970 05:50:08 +0000
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