21649

Number 21649 is an odd five-digits prime number and natural number following 21648 and preceding 21650.

Properties of the number 21649

Nominal	21649
Cardinal	twenty-one thousand six hundred forty-nine
Cardinal twenty-one thousand six hundred forty-nine
Ordinal	21,649th
Number of digits	5
Sum of digits	22
Product of digits	432
Number parity	Odd

Previous number is 21648

Next number is 21650

Calculation was done in 0.0000450611 seconds

Prime Factorization of 21649

Prime factorization	21649
Prime factors	21649
Number of distinct prime factors ω(n)	1
Total number of prime factors Ω(n)	1
Sum of prime factors	21649
Product of prime factors	21649

Calculation was done in 0.0018868446 seconds

Divisors of 21649

List of proper divisors	1
List of all dividers	1, 21649
Number of divisors d(n)	2
Sum of all divisors σ(n)	21650
Aliquot sum	1
21649 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 21648.

Calculation was done in 0.0000281334 seconds

Prime numbers

Is 21649 a prime number?	Yes
Is 21649 a semiprime number?	No
Is 21649 a Chen prime number?	No
Is 21649 a Mersenne prime number?	No

Previous prime is 21647

Next prime is 21661

Calculation was done in 0.1809849739 seconds

Sequences

Is 21649 a Catalan number?	No
Is 21649 a Fibonacci number?	No
Is 21649 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.

21649 is not a Happy number

21649 is not a Humble number

21649 is not a Münchhausen number

21649 is not a Perfect number

21649 is not a Perfect square

21649 is not a Palindrome

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Numeric Bases of 21649

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	101010010010001₂
3	Ternary	1002200211₃
4	Quaternary	11102101₄
5	Quinary	1143044₅
6	Senary	244121₆
7	Septenary	120055₇
8	Octal	52221₈
9	Nonary	32624₉
10	Decimal	21649
12	Duodecimal	10641₁₂
16	Hexadecimal	5491₁₆
20	Vigesimal	2e29₂₀
36	Base36	gpd₃₆
60	Sexagesimal	60n₆₀

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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 21649 (n²)	468679201
Cube of 21649 (n³)	10146436022449
Square root of 21649	147.13599151805
Natural Logarithm (ln) of 21649	9.9827145429874
Decimal Logarithm (log) of 21649	4.3354378404348

Calculation was done in 0.0000059605 seconds

Trigonometry

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

Sine of 21649	-0.28118059128048
Cosecant of 21649	-3.5564332354736
Cosine of 21649	-0.95965487290336
Secant of 21649	-1.0420412882129
Tangent of 21649	0.29300178555837
Cotangent of 21649	3.4129484845777

Calculation was done in 0.0000171661 seconds

Number parity

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

Is 21649 an Even Number?

Is 21649 an Odd Number?

Yes, the number 21649 is an odd number.

Total number of all odd numbers from 1 to 21649 is 10825

Sum of all the odd numbers from 1 to 21649 are 117180625

The sum of all odd numbers is a perfect square: 117180625 = 10825

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 21647

Next odd number is 21651

Calculation was done in 0.0000069141 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 21649 in words is "twenty-one thousand six hundred forty-nine", meaning that:

21649 is not an aban number (as it contains the letter a)

21649 is not an eban number (as it contains the letter e)

21649 is not an iban number (as it contains the letter i)

21649 is not an oban number (as it contains the letter o)

21649 is not a tban number (as it contains the letter t)

21649 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 21649 in other number systems?

Bengali numerals	২১৬৪৯
Eastern Arabic numerals	٢١٬٦٤٩
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍧𓎉𓐂
Khmer numerals	២១៦៤៩
Japanese numerals	二万千六百四十九
Roman numerals	n/a
Thai numerals	๒๑๖๔๙

Calculation was done in 0.0001618862 seconds

Translation

How do you say 21649 in 38 different languages?

Arabic	واحد و عشرون ألف و ستة مائة و تسعة و أربعون
Croatian	dvadeset i jedna tisuća šeststo četrdeset i devet
Czech	dvacet jedna tisíc šest set čtyřicet devět
Danish	en og tyve tusinde seks hundrede ni og fyrre
Dutch	éénentwintigduizend zeshonderdnegenenveertig
Estonian	akpe blaeve vɔ ɖekɛ alafa ade blaene vɔ asieke
Faroese	tjúgoeitt tusin og sekshundraðogfýratiníggju
Filipino	dalawáng pû’t isáng libó’t anim na daán at ápat na pû’t siyám
Finnish	kaksikymmentäyksituhattakuusisataaneljäkymmentäyhdeksän
French	vingt et un mille six cent quarante-neuf
Greek	είκοσι μία χίλιάδες εξακόσια σαράντα εννέα
German	einundzwanzigtausendsechshundertneunundvierzig
Hebrew	עשרים ואחד אלף שש מאות ארבעים ותשע
Hindi	इक्कीस हज़ार छह सौ उनचास
Hungarian	huszonegyezerhatszáznegyvenkilenc
Icelandic	tuttugu og eitt þúsund og sexhundrað og fjörutíu og níu
Indonesian	dua puluh satu ribu enam ratus empat puluh sembilan
Italian	ventunomilaseicentoquarantanove
Japanese	二万千六百四十九
Korean	이만 천육백사십구
Latvian	divdesmit viens tūkstoši sešsimt četrdesmit deviņi
Lithuanian	dvidešimt vienas tūkstantis šeši šimtai keturiasdešimt devyni
Norwegian	tjueett tusen seks hundre og førtini
Persian	بیست و یک هزار و ششصد و چهل و نه
Polish	dwadzieścia jeden tysięcy sześćset czterdzieści dziewięć
Portuguese	vinte e um mil seiscentos e quarenta e nove
Romanian	douăzeci şi una mii şase sute patruzeci şi nouă
Russian	двадцать одна тысяча шестьсот сорок девять
Serbian	двадесет и једна хиљада шестсто четрдесет и девет
Slovak	dvadsaťjedna tisíc šesťsto štyridsaťdeväť
Slovene	dvaset ena tisuću šesto štirideset devet
Spanish	veintiún mil seiscientos cuarenta y nueve
Swahili	elfu ishirini na moja, mia sita na arobaini na tisa
Swedish	tjugoentusensexhundrafyrtionio
Thai	สองหมื่นหนึ่งพันหกร้อยสี่สิบเก้า
Turkish	yirmi bir bin altı yüz kırk dokuz
Ukrainian	двадцять одна тисяча шістсот сорок девʼять
Vietnamese	hai mươi mốt nghìn sáu trăm bốn mươi chín

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Miscellaneous

Number 21649 reversed	94612
Unicode Character	U+5491	咑
Unix Timestamp	Thu, 01 Jan 1970 06:00:49 +0000

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