21993

Number 21993 is an odd five-digits composite number and natural number following 21992 and preceding 21994.

Properties of the number 21993

Nominal	21993
Cardinal	twenty-one thousand nine hundred ninety-three
Cardinal twenty-one thousand nine hundred ninety-three
Ordinal	21,993rd
Number of digits	5
Sum of digits	24
Product of digits	486
Number parity	Odd

Previous number is 21992

Next number is 21994

Calculation was done in 0.0000422001 seconds

Prime Factorization of 21993

Prime factorization	3 x 7331
Prime factors	3, 7331
Number of distinct prime factors ω(n)	2
Total number of prime factors Ω(n)	2
Sum of prime factors	7334
Product of prime factors	21993

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Divisors of 21993

List of proper divisors	1, 3, 7331
List of all dividers	1, 3, 7331, 21993
Number of divisors d(n)	4
Sum of all divisors σ(n)	29328
Aliquot sum	7335
21993 is a deficient number , since it is larger than the sum of its proper divisors (7335). Its deficiency is 14658.

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Prime numbers

Is 21993 a prime number?	No
Is 21993 a semiprime number?	Yes
Is 21993 a Chen prime number?	No
Is 21993 a Mersenne prime number?	No

Previous prime is 21991

Next prime is 21997

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Sequences

Is 21993 a Catalan number?	No
Is 21993 a Fibonacci number?	No
Is 21993 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.

21993 is a Happy number

21993 is not a Humble number

21993 is not a Münchhausen number

21993 is not a Perfect number

21993 is not a Perfect square

21993 is not a Palindrome

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Numeric Bases of 21993

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	101010111101001₂
3	Ternary	1010011120₃
4	Quaternary	11113221₄
5	Quinary	1200433₅
6	Senary	245453₆
7	Septenary	121056₇
8	Octal	52751₈
9	Nonary	33146₉
10	Decimal	21993
12	Duodecimal	10889₁₂
16	Hexadecimal	55e9₁₆
20	Vigesimal	2ejd₂₀
36	Base36	gyx₃₆
60	Sexagesimal	66X₆₀

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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 21993 (n²)	483692049
Cube of 21993 (n³)	10637839233657
Square root of 21993	148.30037086939
Natural Logarithm (ln) of 21993	9.9984794998917
Decimal Logarithm (log) of 21993	4.3422844742257

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Trigonometry

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

Sine of 21993	0.96088154661583
Cosecant of 21993	1.0407110049329
Cosine of 21993	-0.27695966019109
Secant of 21993	-3.6106341237927
Tangent of 21993	-3.4693917011338
Cotangent of 21993	-0.28823496628334

Calculation was done in 0.0000150204 seconds

Number parity

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

Is 21993 an Even Number?

Is 21993 an Odd Number?

Yes, the number 21993 is an odd number.

Total number of all odd numbers from 1 to 21993 is 10997

Sum of all the odd numbers from 1 to 21993 are 120934009

The sum of all odd numbers is a perfect square: 120934009 = 10997

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 21991

Next odd number is 21995

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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 21993 in words is "twenty-one thousand nine hundred ninety-three", meaning that:

21993 is not an aban number (as it contains the letter a)

21993 is not an eban number (as it contains the letter e)

21993 is not an iban number (as it contains the letter i)

21993 is not an oban number (as it contains the letter o)

21993 is not a tban number (as it contains the letter t)

21993 is not an uban number (as it contains the letter u)

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Numeral systems

How to write 21993 in other number systems?

Bengali numerals	২১৯৯৩
Eastern Arabic numerals	٢١٬٩٩٣
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍪𓎎𓏼
Khmer numerals	២១៩៩៣
Japanese numerals	二万千九百九十三
Roman numerals	n/a
Thai numerals	๒๑๙๙๓

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Translation

How do you say 21993 in 38 different languages?

Arabic	واحد و عشرون ألف و تسعة مائة و ثلاثة و تسعون
Croatian	dvadeset i jedna tisuća devetsto devedeset i tri
Czech	dvacet jedna tisíc devět set devadesát tři
Danish	en og tyve tusinde ni hundrede tre og halvfems
Dutch	éénentwintigduizend negenhonderddrieennegentig
Estonian	akpe blaeve vɔ ɖekɛ alafa asieke blaasieke vɔ etɔ̃
Faroese	tjúgoeitt tusin og níggjuhundraðognítitríggir
Filipino	dalawáng pû’t isáng libó’t siyám na daán at siyám na pû’t tatló
Finnish	kaksikymmentäyksituhattayhdeksänsataayhdeksänkymmentäkolme
French	vingt et un mille neuf cent quatre-vingt-treize
Greek	είκοσι μία χίλιάδες εννιακόσια εννενήντα τρία
German	einundzwanzigtausendneunhundertdreiundneunzig
Hebrew	עשרים ואחד אלף תשע מאות תשעים ושלוש
Hindi	इक्कीस हज़ार नौ सौ तिरानबे
Hungarian	huszonegyezerkilencszázkilencvenhárom
Icelandic	tuttugu og eitt þúsund og níuhundrað og níutíu og þrír
Indonesian	dua puluh satu ribu sembilan ratus sembilan puluh tiga
Italian	ventunomilanovecentonovantatre
Japanese	二万千九百九十三
Korean	이만 천구백구십삼
Latvian	divdesmit viens tūkstoši deviņsimt deviņdesmit trīs
Lithuanian	dvidešimt vienas tūkstantis devyni šimtai devyniasdešimt trys
Norwegian	tjueett tusen ni hundre og nittitre
Persian	بیست و یک هزار و نهصد و نود و سه
Polish	dwadzieścia jeden tysięcy dziewięćset dziewięćdziesiąt trzy
Portuguese	vinte e um mil novecentos e noventa e três
Romanian	douăzeci şi una mii nouă sute nouăzeci şi trei
Russian	двадцать одна тысяча девятьсот девяносто три
Serbian	двадесет и једна хиљада деветсто деведесет и три
Slovak	dvadsaťjedna tisíc deväťsto deväťdesiattri
Slovene	dvaset ena tisuću devetsto devetdeset tri
Spanish	veintiún mil novecientos noventa y tres
Swahili	elfu ishirini na moja, mia tisa na tisini na tatu
Swedish	tjugoentusenniohundranittiotre
Thai	สองหมื่นหนึ่งพันเก้าร้อยเก้าสิบสาม
Turkish	yirmi bir bin dokuz yüz doksan üç
Ukrainian	двадцять одна тисяча девʼятсот девʼяносто три
Vietnamese	hai mươi mốt nghìn chín trăm chín mươi ba

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Miscellaneous

Number 21993 reversed	39912
Unicode Character	U+55E9	嗩
Unix Timestamp	Thu, 01 Jan 1970 06:06:33 +0000

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