21389

Number 21389 is an odd five-digits composite number and natural number following 21388 and preceding 21390.

Properties of the number 21389

Nominal	21389
Cardinal	twenty-one thousand three hundred eighty-nine
Cardinal twenty-one thousand three hundred eighty-nine
Ordinal	21,389th
Number of digits	5
Sum of digits	23
Product of digits	432
Number parity	Odd

Previous number is 21388

Next number is 21390

Calculation was done in 0.0000391006 seconds

Prime Factorization of 21389

Prime factorization	73 x 293
Prime factors	73, 293
Number of distinct prime factors ω(n)	2
Total number of prime factors Ω(n)	2
Sum of prime factors	366
Product of prime factors	21389

Calculation was done in 0.0000288486 seconds

Divisors of 21389

List of proper divisors	1, 73, 293
List of all dividers	1, 73, 293, 21389
Number of divisors d(n)	4
Sum of all divisors σ(n)	21756
Aliquot sum	367
21389 is a deficient number , since it is larger than the sum of its proper divisors (367). Its deficiency is 21022.

Calculation was done in 0.0000259876 seconds

Prime numbers

Is 21389 a prime number?	No
Is 21389 a semiprime number?	Yes
Is 21389 a Chen prime number?	No
Is 21389 a Mersenne prime number?	No

Previous prime is 21383

Next prime is 21391

Calculation was done in 0.1090798378 seconds

Sequences

Is 21389 a Catalan number?	No
Is 21389 a Fibonacci number?	No
Is 21389 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.

21389 is not a Happy number

21389 is not a Humble number

21389 is not a Münchhausen number

21389 is not a Perfect number

21389 is not a Perfect square

21389 is not a Palindrome

Calculation was done in 0.0073428154 seconds

Numeric Bases of 21389

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.

Base	System	Value
2	Binary	101001110001101₂
3	Ternary	1002100012₃
4	Quaternary	11032031₄
5	Quinary	1141024₅
6	Senary	243005₆
7	Septenary	116234₇
8	Octal	51615₈
9	Nonary	32305₉
10	Decimal	21389
12	Duodecimal	10465₁₂
16	Hexadecimal	538d₁₆
20	Vigesimal	2d99₂₀
36	Base36	gi5₃₆
60	Sexagesimal	5uT₆₀

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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 21389 (n²)	457489321
Cube of 21389 (n³)	9785239086869
Square root of 21389	146.24978632463
Natural Logarithm (ln) of 21389	9.9706320501655
Decimal Logarithm (log) of 21389	4.3301904804746

Calculation was done in 0.0000050068 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.

Sine of 21389	0.86099073598369
Cosecant of 21389	1.1614526825977
Cosine of 21389	0.50862063716513
Secant of 21389	1.9661018978185
Tangent of 21389	1.6927955200216
Cotangent of 21389	0.59073880345998

Calculation was done in 0.0000181198 seconds

Number parity

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

Is 21389 an Even Number?

Is 21389 an Odd Number?

Yes, the number 21389 is an odd number.

Total number of all odd numbers from 1 to 21389 is 10695

Sum of all the odd numbers from 1 to 21389 are 114383025

The sum of all odd numbers is a perfect square: 114383025 = 10695

An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.

Previous odd number is 21387

Next odd number is 21391

Calculation was done in 0.0000078678 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 21389 in words is "twenty-one thousand three hundred eighty-nine", meaning that:

21389 is not an aban number (as it contains the letter a)

21389 is not an eban number (as it contains the letter e)

21389 is not an iban number (as it contains the letter i)

21389 is not an oban number (as it contains the letter o)

21389 is not a tban number (as it contains the letter t)

21389 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 21389 in other number systems?

Bengali numerals	২১৩৮৯
Eastern Arabic numerals	٢١٬٣٨٩
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍤𓎍𓐂
Khmer numerals	២១៣៨៩
Japanese numerals	二万千三百八十九
Roman numerals	n/a
Thai numerals	๒๑๓๘๙

Calculation was done in 0.0001549721 seconds

Translation

How do you say 21389 in 38 different languages?

Arabic	واحد و عشرون ألف و ثلاثة مائة و تسعة و ثمانون
Croatian	dvadeset i jedna tisuća tristo osamdeset i devet
Czech	dvacet jedna tisíc tři sta osmdesát devět
Danish	en og tyve tusinde tre hundrede ni og firs
Dutch	éénentwintigduizend driehonderdnegenentachtig
Estonian	akpe blaeve vɔ ɖekɛ alafa etɔ̃ blaenyi vɔ asieke
Faroese	tjúgoeitt tusin og trýhundraðogáttatiníggju
Filipino	dalawáng pû’t isáng libó’t tatlóng daán at walóng pû’t siyám
Finnish	kaksikymmentäyksituhattakolmesataakahdeksankymmentäyhdeksän
French	vingt et un mille trois cent quatre-vingt-neuf
Greek	είκοσι μία χίλιάδες τριακόσια ογδόντα εννέα
German	einundzwanzigtausenddreihundertneunundachtzig
Hebrew	עשרים ואחד אלף שלוש מאות שמונים ותשע
Hindi	इक्कीस हज़ार तीन सौ नवासी
Hungarian	huszonegyezerháromszáznyolcvankilenc
Icelandic	tuttugu og eitt þúsund og þrjúhundrað og áttatíu og níu
Indonesian	dua puluh satu ribu tiga ratus delapan puluh sembilan
Italian	ventunomilatrecentoottantanove
Japanese	二万千三百八十九
Korean	이만 천삼백팔십구
Latvian	divdesmit viens tūkstoši trīssimt astoņdesmit deviņi
Lithuanian	dvidešimt vienas tūkstantis trys šimtai aštuoniasdešimt devyni
Norwegian	tjueett tusen tre hundre og åttini
Persian	بیست و یک هزار و سیصد و هشتاد و نه
Polish	dwadzieścia jeden tysięcy trzysta osiemdziesiąt dziewięć
Portuguese	vinte e um mil trezentos e oitenta e nove
Romanian	douăzeci şi una mii trei sute optzeci şi nouă
Russian	двадцать одна тысяча триста восемьдесят девять
Serbian	двадесет и једна хиљада триста осамдесет и девет
Slovak	dvadsaťjedna tisíc tristo osemdesiatdeväť
Slovene	dvaset ena tisuću tristo osemdeset devet
Spanish	veintiún mil trescientos ochenta y nueve
Swahili	elfu ishirini na moja, mia tatu na themanini na tisa
Swedish	tjugoentusentrehundraåttionio
Thai	สองหมื่นหนึ่งพันสามร้อยแปดสิบเก้า
Turkish	yirmi bir bin üç yüz seksen dokuz
Ukrainian	двадцять одна тисяча триста вісімдесят девʼять
Vietnamese	hai mươi mốt nghìn ba trăm tám mươi chín

Calculation was done in 0.0136549473 seconds

Miscellaneous

Number 21389 reversed	98312
Unicode Character	U+538D	厍
Unix Timestamp	Thu, 01 Jan 1970 05:56:29 +0000

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