21995

Number 21995 is an odd five-digits composite number and natural number following 21994 and preceding 21996.

Properties of the number 21995

Nominal	21995
Cardinal	twenty-one thousand nine hundred ninety-five
Cardinal twenty-one thousand nine hundred ninety-five
Ordinal	21,995th
Number of digits	5
Sum of digits	26
Product of digits	810
Number parity	Odd

Previous number is 21994

Next number is 21996

Calculation was done in 0.0000381470 seconds

Prime Factorization of 21995

Prime factorization	5 x 53 x 83
Prime factors	5, 53, 83
Number of distinct prime factors ω(n)	3
Total number of prime factors Ω(n)	3
Sum of prime factors	141
Product of prime factors	21995

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Divisors of 21995

List of proper divisors	1, 5, 53, 83, 265, 415, 4399
List of all dividers	1, 5, 53, 83, 265, 415, 4399, 21995
Number of divisors d(n)	8
Sum of all divisors σ(n)	27216
Aliquot sum	5221
21995 is a deficient number , since it is larger than the sum of its proper divisors (5221). Its deficiency is 16774.

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Prime numbers

Is 21995 a prime number?	No
Is 21995 a semiprime number?	No
Is 21995 a Chen prime number?	No
Is 21995 a Mersenne prime number?	No

Previous prime is 21991

Next prime is 21997

Calculation was done in 0.0456500053 seconds

Sequences

Is 21995 a Catalan number?	No
Is 21995 a Fibonacci number?	No
Is 21995 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.

21995 is a Happy number

21995 is not a Humble number

21995 is not a Münchhausen number

21995 is not a Perfect number

21995 is not a Perfect square

21995 is not a Palindrome

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Numeric Bases of 21995

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	101010111101011₂
3	Ternary	1010011122₃
4	Quaternary	11113223₄
5	Quinary	1200440₅
6	Senary	245455₆
7	Septenary	121061₇
8	Octal	52753₈
9	Nonary	33148₉
10	Decimal	21995
12	Duodecimal	1088b₁₂
16	Hexadecimal	55eb₁₆
20	Vigesimal	2ejf₂₀
36	Base36	gyz₃₆
60	Sexagesimal	66Z₆₀

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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 21995 (n²)	483780025
Cube of 21995 (n³)	10640741649875
Square root of 21995	148.30711378757
Natural Logarithm (ln) of 21995	9.9985704337828
Decimal Logarithm (log) of 21995	4.3423239663129

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Trigonometry

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

Sine of 21995	-0.65170652226698
Cosecant of 21995	-1.5344330090812
Cosine of 21995	-0.75847123138236
Secant of 21995	-1.318441568545
Tangent of 21995	0.85923696944867
Cotangent of 21995	1.1638232938716

Calculation was done in 0.0000140667 seconds

Number parity

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

Is 21995 an Even Number?

Is 21995 an Odd Number?

Yes, the number 21995 is an odd number.

Total number of all odd numbers from 1 to 21995 is 10998

Sum of all the odd numbers from 1 to 21995 are 120956004

The sum of all odd numbers is a perfect square: 120956004 = 10998

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 21993

Next odd number is 21997

Calculation was done in 0.0000050068 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 21995 in words is "twenty-one thousand nine hundred ninety-five", meaning that:

21995 is not an aban number (as it contains the letter a)

21995 is not an eban number (as it contains the letter e)

21995 is not an iban number (as it contains the letter i)

21995 is not an oban number (as it contains the letter o)

21995 is not a tban number (as it contains the letter t)

21995 is not an uban number (as it contains the letter u)

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Numeral systems

How to write 21995 in other number systems?

Bengali numerals	২১৯৯৫
Eastern Arabic numerals	٢١٬٩٩٥
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍪𓎎𓏾
Khmer numerals	២១៩៩៥
Japanese numerals	二万千九百九十五
Roman numerals	n/a
Thai numerals	๒๑๙๙๕

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Translation

How do you say 21995 in 38 different languages?

Arabic	واحد و عشرون ألف و تسعة مائة و خمسة و تسعون
Croatian	dvadeset i jedna tisuća devetsto devedeset i pet
Czech	dvacet jedna tisíc devět set devadesát pět
Danish	en og tyve tusinde ni hundrede fem og halvfems
Dutch	éénentwintigduizend negenhonderdvijfennegentig
Estonian	akpe blaeve vɔ ɖekɛ alafa asieke blaasieke vɔ atɔ̃
Faroese	tjúgoeitt tusin og níggjuhundraðognítifimm
Filipino	dalawáng pû’t isáng libó’t siyám na daán at siyám na pû’t limá
Finnish	kaksikymmentäyksituhattayhdeksänsataayhdeksänkymmentäviisi
French	vingt et un mille neuf cent quatre-vingt-quinze
Greek	είκοσι μία χίλιάδες εννιακόσια εννενήντα πέντε
German	einundzwanzigtausendneunhundertfünfundneunzig
Hebrew	עשרים ואחד אלף תשע מאות תשעים וחמש
Hindi	इक्कीस हज़ार नौ सौ पंचानबे
Hungarian	huszonegyezerkilencszázkilencvenöt
Icelandic	tuttugu og eitt þúsund og níuhundrað og níutíu og fimm
Indonesian	dua puluh satu ribu sembilan ratus sembilan puluh lima
Italian	ventunomilanovecentonovantacinque
Japanese	二万千九百九十五
Korean	이만 천구백구십오
Latvian	divdesmit viens tūkstoši deviņsimt deviņdesmit pieci
Lithuanian	dvidešimt vienas tūkstantis devyni šimtai devyniasdešimt penki
Norwegian	tjueett tusen ni hundre og nittifem
Persian	بیست و یک هزار و نهصد و نود و پنج
Polish	dwadzieścia jeden tysięcy dziewięćset dziewięćdziesiąt pięć
Portuguese	vinte e um mil novecentos e noventa e cinco
Romanian	douăzeci şi una mii nouă sute nouăzeci şi cinci
Russian	двадцать одна тысяча девятьсот девяносто пять
Serbian	двадесет и једна хиљада деветсто деведесет и пет
Slovak	dvadsaťjedna tisíc deväťsto deväťdesiatpäť
Slovene	dvaset ena tisuću devetsto devetdeset pet
Spanish	veintiún mil novecientos noventa y cinco
Swahili	elfu ishirini na moja, mia tisa na tisini na tano
Swedish	tjugoentusenniohundranittiofem
Thai	สองหมื่นหนึ่งพันเก้าร้อยเก้าสิบห้า
Turkish	yirmi bir bin dokuz yüz doksan beş
Ukrainian	двадцять одна тисяча девʼятсот девʼяносто пʼять
Vietnamese	hai mươi mốt nghìn chín trăm chín mươi lăm

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Miscellaneous

Number 21995 reversed	59912
Unicode Character	U+55EB	嗫
Unix Timestamp	Thu, 01 Jan 1970 06:06:35 +0000

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