21841

Number 21841 is an odd five-digits prime number and natural number following 21840 and preceding 21842.

Properties of the number 21841

Nominal	21841
Cardinal	twenty-one thousand eight hundred forty-one
Cardinal twenty-one thousand eight hundred forty-one
Ordinal	21,841st
Number of digits	5
Sum of digits	16
Product of digits	64
Number parity	Odd

Previous number is 21840

Next number is 21842

Calculation was done in 0.0000469685 seconds

Prime Factorization of 21841

Prime factorization	21841
Prime factors	21841
Number of distinct prime factors ω(n)	1
Total number of prime factors Ω(n)	1
Sum of prime factors	21841
Product of prime factors	21841

Calculation was done in 0.0019519329 seconds

Divisors of 21841

List of proper divisors	1
List of all dividers	1, 21841
Number of divisors d(n)	2
Sum of all divisors σ(n)	21842
Aliquot sum	1
21841 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 21840.

Calculation was done in 0.0000309944 seconds

Prime numbers

Is 21841 a prime number?	Yes
Is 21841 a semiprime number?	No
Is 21841 a Chen prime number?	No
Is 21841 a Mersenne prime number?	No

Previous prime is 21839

Next prime is 21851

Calculation was done in 0.1661860943 seconds

Sequences

Is 21841 a Catalan number?	No
Is 21841 a Fibonacci number?	No
Is 21841 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.

21841 is a Happy number

21841 is not a Humble number

21841 is not a Münchhausen number

21841 is not a Perfect number

21841 is not a Perfect square

21841 is not a Palindrome

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Numeric Bases of 21841

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	101010101010001₂
3	Ternary	1002221221₃
4	Quaternary	11111101₄
5	Quinary	1144331₅
6	Senary	245041₆
7	Septenary	120451₇
8	Octal	52521₈
9	Nonary	32857₉
10	Decimal	21841
12	Duodecimal	10781₁₂
16	Hexadecimal	5551₁₆
20	Vigesimal	2ec1₂₀
36	Base36	gup₃₆
60	Sexagesimal	641₆₀

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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 21841 (n²)	477029281
Cube of 21841 (n³)	10418796526321
Square root of 21841	147.78700890132
Natural Logarithm (ln) of 21841	9.9915442163564
Decimal Logarithm (log) of 21841	4.3392725188559

Calculation was done in 0.0000061989 seconds

Trigonometry

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

Sine of 21841	0.60349116479837
Cosecant of 21841	1.6570250872423
Cosine of 21841	0.79736968465719
Secant of 21841	1.2541234251086
Tangent of 21841	0.75685240661969
Cotangent of 21841	1.3212615712835

Calculation was done in 0.0000529289 seconds

Number parity

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

Is 21841 an Even Number?

Is 21841 an Odd Number?

Yes, the number 21841 is an odd number.

Total number of all odd numbers from 1 to 21841 is 10921

Sum of all the odd numbers from 1 to 21841 are 119268241

The sum of all odd numbers is a perfect square: 119268241 = 10921

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 21839

Next odd number is 21843

Calculation was done in 0.0000088215 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 21841 in words is "twenty-one thousand eight hundred forty-one", meaning that:

21841 is not an aban number (as it contains the letter a)

21841 is not an eban number (as it contains the letter e)

21841 is not an iban number (as it contains the letter i)

21841 is not an oban number (as it contains the letter o)

21841 is not a tban number (as it contains the letter t)

21841 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 21841 in other number systems?

Bengali numerals	২১৮৪১
Eastern Arabic numerals	٢١٬٨٤١
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍩𓎉𓏺
Khmer numerals	២១៨៤១
Japanese numerals	二万千八百四十一
Roman numerals	n/a
Thai numerals	๒๑๘๔๑

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Translation

How do you say 21841 in 38 different languages?

Arabic	واحد و عشرون ألف و ثمانية مائة و واحد و أربعون
Croatian	dvadeset i jedna tisuća osamsto četrdeset i jedan
Czech	dvacet jedna tisíc osm set čtyřicet jeden
Danish	en og tyve tusinde otte hundrede en og fyrre
Dutch	éénentwintigduizend achthonderdéénenveertig
Estonian	akpe blaeve vɔ ɖekɛ alafa enyi blaene vɔ ɖekɛ
Faroese	tjúgoeitt tusin og áttahundraðogfýratiein
Filipino	dalawáng pû’t isáng libó’t walóng daán at ápat na pû’t isá
Finnish	kaksikymmentäyksituhattakahdeksansataaneljäkymmentäyksi
French	vingt et un mille huit cent quarante et un
Greek	είκοσι μία χίλιάδες οκτακόσια σαράντα ένα
German	einundzwanzigtausendachthunderteinundvierzig
Hebrew	עשרים ואחד אלף שמונה מאות ארבעים ואחת
Hindi	इक्कीस हज़ार आठ सौ इकतालीस
Hungarian	huszonegyezernyolcszáznegyvenegy
Icelandic	tuttugu og eitt þúsund og áttahundrað og fjörutíu og einn
Indonesian	dua puluh satu ribu delapan ratus empat puluh satu
Italian	ventunomilaottocentoquarantuno
Japanese	二万千八百四十一
Korean	이만 천팔백사십일
Latvian	divdesmit viens tūkstoši astoņsimt četrdesmit viens
Lithuanian	dvidešimt vienas tūkstantis aštuoni šimtai keturiasdešimt vienas
Norwegian	tjueett tusen åtte hundre og førtién
Persian	بیست و یک هزار و هشتصد و چهل و یک
Polish	dwadzieścia jeden tysięcy osiemset czterdzieści jeden
Portuguese	vinte e um mil oitocentos e quarenta e um
Romanian	douăzeci şi una mii opt sute patruzeci şi unu
Russian	двадцать одна тысяча восемьсот сорок один
Serbian	двадесет и једна хиљада осамсто четрдесет и један
Slovak	dvadsaťjedna tisíc osemsto štyridsaťjeden
Slovene	dvaset ena tisuću osemsto štirideset ena
Spanish	veintiún mil ochocientos cuarenta y uno
Swahili	elfu ishirini na moja, mia nane na arobaini na moja
Swedish	tjugoentusenåttahundrafyrtioen
Thai	สองหมื่นหนึ่งพันแปดร้อยสี่สิบเอ็ด
Turkish	yirmi bir bin sekiz yüz kırk bir
Ukrainian	двадцять одна тисяча вісімсот сорок один
Vietnamese	hai mươi mốt nghìn tám trăm bốn mươi mốt

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Miscellaneous

Number 21841 reversed	14812
Unicode Character	U+5551	啑
Unix Timestamp	Thu, 01 Jan 1970 06:04:01 +0000

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