21365

Number 21365 is an odd five-digits composite number and natural number following 21364 and preceding 21366.

Properties of the number 21365

Nominal	21365
Cardinal	twenty-one thousand three hundred sixty-five
Cardinal twenty-one thousand three hundred sixty-five
Ordinal	21,365th
Number of digits	5
Sum of digits	17
Product of digits	180
Number parity	Odd

Previous number is 21364

Next number is 21366

Calculation was done in 0.0000429153 seconds

Prime Factorization of 21365

Prime factorization	5 x 4273
Prime factors	5, 4273
Number of distinct prime factors ω(n)	2
Total number of prime factors Ω(n)	2
Sum of prime factors	4278
Product of prime factors	21365

Calculation was done in 0.0001180172 seconds

Divisors of 21365

List of proper divisors	1, 5, 4273
List of all dividers	1, 5, 4273, 21365
Number of divisors d(n)	4
Sum of all divisors σ(n)	25644
Aliquot sum	4279
21365 is a deficient number , since it is larger than the sum of its proper divisors (4279). Its deficiency is 17086.

Calculation was done in 0.0000309944 seconds

Prime numbers

Is 21365 a prime number?	No
Is 21365 a semiprime number?	Yes
Is 21365 a Chen prime number?	No
Is 21365 a Mersenne prime number?	No

Previous prime is 21347

Next prime is 21377

Calculation was done in 0.0914409161 seconds

Sequences

Is 21365 a Catalan number?	No
Is 21365 a Fibonacci number?	No
Is 21365 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.

21365 is not a Happy number

21365 is not a Humble number

21365 is not a Münchhausen number

21365 is not a Perfect number

21365 is not a Perfect square

21365 is not a Palindrome

Calculation was done in 0.0100040436 seconds

Numeric Bases of 21365

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	101001101110101₂
3	Ternary	1002022022₃
4	Quaternary	11031311₄
5	Quinary	1140430₅
6	Senary	242525₆
7	Septenary	116201₇
8	Octal	51565₈
9	Nonary	32268₉
10	Decimal	21365
12	Duodecimal	10445₁₂
16	Hexadecimal	5375₁₆
20	Vigesimal	2d85₂₀
36	Base36	ghh₃₆
60	Sexagesimal	5u5₆₀

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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 21365 (n²)	456463225
Cube of 21365 (n³)	9752336802125
Square root of 21365	146.16771189288
Natural Logarithm (ln) of 21365	9.9695093480781
Decimal Logarithm (log) of 21365	4.3297028971532

Calculation was done in 0.0000071526 seconds

Trigonometry

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

Sine of 21365	0.82581003920268
Cosecant of 21365	1.2109322392902
Cosine of 21365	-0.56394838341117
Secant of 21365	-1.7732119275726
Tangent of 21365	-1.4643362114234
Cotangent of 21365	-0.68290327876816

Calculation was done in 0.0000629425 seconds

Number parity

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

Is 21365 an Even Number?

Is 21365 an Odd Number?

Yes, the number 21365 is an odd number.

Total number of all odd numbers from 1 to 21365 is 10683

Sum of all the odd numbers from 1 to 21365 are 114126489

The sum of all odd numbers is a perfect square: 114126489 = 10683

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 21363

Next odd number is 21367

Calculation was done in 0.0000100136 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 21365 in words is "twenty-one thousand three hundred sixty-five", meaning that:

21365 is not an aban number (as it contains the letter a)

21365 is not an eban number (as it contains the letter e)

21365 is not an iban number (as it contains the letter i)

21365 is not an oban number (as it contains the letter o)

21365 is not a tban number (as it contains the letter t)

21365 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 21365 in other number systems?

Bengali numerals	২১৩৬৫
Eastern Arabic numerals	٢١٬٣٦٥
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍤𓎋𓏾
Khmer numerals	២១៣៦៥
Japanese numerals	二万千三百六十五
Roman numerals	n/a
Thai numerals	๒๑๓๖๕

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Translation

How do you say 21365 in 38 different languages?

Arabic	واحد و عشرون ألف و ثلاثة مائة و خمسة و ستون
Croatian	dvadeset i jedna tisuća tristo šezdeset i pet
Czech	dvacet jedna tisíc tři sta šedesát pět
Danish	en og tyve tusinde tre hundrede fem og tres
Dutch	éénentwintigduizend driehonderdvijfenzestig
Estonian	akpe blaeve vɔ ɖekɛ alafa etɔ̃ blaade vɔ atɔ̃
Faroese	tjúgoeitt tusin og trýhundraðogsekstifimm
Filipino	dalawáng pû’t isáng libó’t tatlóng daán at anim na pû’t limá
Finnish	kaksikymmentäyksituhattakolmesataakuusikymmentäviisi
French	vingt et un mille trois cent soixante-cinq
Greek	είκοσι μία χίλιάδες τριακόσια εξήντα πέντε
German	einundzwanzigtausenddreihundertfünfundsechzig
Hebrew	עשרים ואחד אלף שלוש מאות שישים וחמש
Hindi	इक्कीस हज़ार तीन सौ पैंसठ
Hungarian	huszonegyezerháromszázhatvanöt
Icelandic	tuttugu og eitt þúsund og þrjúhundrað og sextíu og fimm
Indonesian	dua puluh satu ribu tiga ratus enam puluh lima
Italian	ventunomilatrecentosessantacinque
Japanese	二万千三百六十五
Korean	이만 천삼백육십오
Latvian	divdesmit viens tūkstoši trīssimt sešdesmit pieci
Lithuanian	dvidešimt vienas tūkstantis trys šimtai šešiasdešimt penki
Norwegian	tjueett tusen tre hundre og sekstifem
Persian	بیست و یک هزار و سیصد و شصت و پنج
Polish	dwadzieścia jeden tysięcy trzysta sześćdziesiąt pięć
Portuguese	vinte e um mil trezentos e sessenta e cinco
Romanian	douăzeci şi una mii trei sute şasezeci şi cinci
Russian	двадцать одна тысяча триста шестьдесят пять
Serbian	двадесет и једна хиљада триста шездесет и пет
Slovak	dvadsaťjedna tisíc tristo šesťdesiatpäť
Slovene	dvaset ena tisuću tristo šestdeset pet
Spanish	veintiún mil trescientos sesenta y cinco
Swahili	elfu ishirini na moja, mia tatu na sitini na tano
Swedish	tjugoentusentrehundrasextiofem
Thai	สองหมื่นหนึ่งพันสามร้อยหกสิบห้า
Turkish	yirmi bir bin üç yüz altmış beş
Ukrainian	двадцять одна тисяча триста шістдесят пʼять
Vietnamese	hai mươi mốt nghìn ba trăm sáu mươi lăm

Calculation was done in 0.0234248638 seconds

Miscellaneous

Number 21365 reversed	56312
Unicode Character	U+5375	卵
Unix Timestamp	Thu, 01 Jan 1970 05:56:05 +0000

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