20988

Number 20988 is an even five-digits composite number and natural number following 20987 and preceding 20989.

Properties of the number 20988

Nominal	20988
Cardinal	twenty thousand nine hundred eighty-eight
Cardinal twenty thousand nine hundred eighty-eight
Ordinal	20,988th
Number of digits	5
Sum of digits	27
Product of digits	0
Number parity	Even

Previous number is 20987

Next number is 20989

Calculation was done in 0.0000388622 seconds

Prime Factorization of 20988

Prime factorization	2 x 2 x 3 x 3 x 11 x 53
Prime factorization in exponent form	2² x 3² x 11 x 53
Prime factors	2, 3, 11, 53
Number of distinct prime factors ω(n)	4
Total number of prime factors Ω(n)	6
Sum of prime factors	69
Product of prime factors	3498

Calculation was done in 0.0000200272 seconds

Divisors of 20988

List of proper divisors	1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 1166, 1749, 1908, 2332, 3498, 5247, 6996, 10494
List of all dividers	1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 1166, 1749, 1908, 2332, 3498, 5247, 6996, 10494, 20988
Number of divisors d(n)	36
Sum of all divisors σ(n)	58968
Aliquot sum	37980
20988 is an abundant number , because the sum of its proper divisors (37980) is greater than itself. Its abundance is 16992.

Calculation was done in 0.0000231266 seconds

Prime numbers

Is 20988 a prime number?	No
Is 20988 a semiprime number?	No
Is 20988 a Chen prime number?	No
Is 20988 a Mersenne prime number?	No

Previous prime is 20983

Next prime is 21001

Calculation was done in 0.0009958744 seconds

Sequences

Is 20988 a Catalan number?	No
Is 20988 a Fibonacci number?	No
Is 20988 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.

20988 is not a Happy number

20988 is not a Humble number

20988 is not a Münchhausen number

20988 is not a Perfect number

20988 is not a Perfect square

20988 is not a Palindrome

Calculation was done in 0.0092620850 seconds

Numeric Bases of 20988

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	101000111111100₂
3	Ternary	1001210100₃
4	Quaternary	11013330₄
5	Quinary	1132423₅
6	Senary	241100₆
7	Septenary	115122₇
8	Octal	50774₈
9	Nonary	31710₉
10	Decimal	20988
12	Duodecimal	10190₁₂
16	Hexadecimal	51fc₁₆
20	Vigesimal	2c98₂₀
36	Base36	g70₃₆
60	Sexagesimal	5nm₆₀

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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 20988 (n²)	440496144
Cube of 20988 (n³)	9245133070272
Square root of 20988	144.8723576118
Natural Logarithm (ln) of 20988	9.9517061248066
Decimal Logarithm (log) of 20988	4.3219710555263

Calculation was done in 0.0000147820 seconds

Trigonometry

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

Sine of 20988	0.83078614928729
Cosecant of 20988	1.203679190918
Cosine of 20988	-0.55659174818928
Secant of 20988	-1.7966489859996
Tangent of 20988	-1.4926310926995
Cotangent of 20988	-0.66995790513211

Calculation was done in 0.0000050068 seconds

Number parity

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

Is 20988 an Even Number?

Yes, the number 20988 is an even number.

Is 20988 an Odd Number?

Previous even number is 20986

Next even number is 20990

Calculation was done in 0.0000038147 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 20988 in words is "twenty thousand nine hundred eighty-eight", meaning that:

20988 is not an aban number (as it contains the letter a)

20988 is not an eban number (as it contains the letter e)

20988 is not an iban number (as it contains the letter i)

20988 is not an oban number (as it contains the letter o)

20988 is not a tban number (as it contains the letter t)

20988 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000019073 seconds

Numeral systems

How to write 20988 in other number systems?

Bengali numerals	২০৯৮৮
Eastern Arabic numerals	٢٠٬٩٨٨
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓍪𓎍𓐁
Khmer numerals	២០៩៨៨
Japanese numerals	二万九百八十八
Roman numerals	n/a
Thai numerals	๒๐๙๘๘

Calculation was done in 0.0000691414 seconds

Translation

How do you say 20988 in 38 different languages?

Arabic	عشرون ألف و تسعة مائة و ثمانية و ثمانون
Croatian	dvadeset tisuća devetsto osamdeset i osam
Czech	dvacet tisíc devět set osmdesát osm
Danish	tyve tusinde ni hundrede otte og firs
Dutch	twintigduizend negenhonderdachtentachtig
Estonian	akpe blaeve alafa asieke blaenyi vɔ enyi
Faroese	tjúgo tusin og níggjuhundraðogáttatiátta
Filipino	dalawáng pû libó’t siyám na daán at walóng pû’t waló
Finnish	kaksikymmentätuhattayhdeksänsataakahdeksankymmentäkahdeksan
French	vingt mille neuf cent quatre-vingt-huit
Greek	είκοσι χίλιάδες εννιακόσια ογδόντα οκτώ
German	zwanzigtausendneunhundertachtundachtzig
Hebrew	עשרים אלף תשע מאות שמונים ושמונה
Hindi	बीस हज़ार नौ सौ अट्ठासी
Hungarian	húszezerkilencszáznyolcvannyolc
Icelandic	tuttugu þúsund og níuhundrað og áttatíu og átta
Indonesian	dua puluh ribu sembilan ratus delapan puluh delapan
Italian	ventimilanovecentoottantotto
Japanese	二万九百八十八
Korean	이만 구백팔십팔
Latvian	divdesmit tūkstoši deviņsimt astoņdesmit astoņi
Lithuanian	dvidešimt tūkstančių devyni šimtai aštuoniasdešimt aštuoni
Norwegian	tjue tusen ni hundre og åttiåtte
Persian	بیست هزار و نهصد و هشتاد و هشت
Polish	dwadzieścia tysięcy dziewięćset osiemdziesiąt osiem
Portuguese	vinte mil novecentos e oitenta e oito
Romanian	douăzeci mii nouă sute optzeci şi opt
Russian	двадцать тысяч девятьсот восемьдесят восемь
Serbian	двадесет хиљада деветсто осамдесет и осам
Slovak	dvadsať tisíc deväťsto osemdesiatosem
Slovene	dvaset tisuću devetsto osemdeset osem
Spanish	veinte mil novecientos ochenta y ocho
Swahili	elfu ishirini, mia tisa na themanini na nane
Swedish	tjugotusenniohundraåttioåtta
Thai	สองหมื่นเก้าร้อยแปดสิบแปด
Turkish	yirmi bin dokuz yüz seksen sekiz
Ukrainian	двадцять тисяч девʼятсот вісімдесят вісім
Vietnamese	hai mươi nghìn chín trăm tám mươi tám

Calculation was done in 0.0234470367 seconds

Miscellaneous

Number 20988 reversed	88902
Unicode Character	U+51FC	凼
Unix Timestamp	Thu, 01 Jan 1970 05:49:48 +0000

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