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999

Number 999 (nine hundred ninety-nine) is an odd three-digits composite number and natural number following 998 and preceding 1000.

Properties of the number 999

Nominal999
Cardinalnine hundred ninety-nine
Cardinal
nine hundred ninety-nine
Ordinal999th
Number of digits3
Sum of digits27
Product of digits729
Number parityOdd
Calculation was done in 0.0000369549 seconds

Prime Factorization of 999

Prime factorization3 x 3 x 3 x 37
Prime factorization in exponent form33 x 37
Prime factors3, 37
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)4
Sum of prime factors40
Product of prime factors111
Calculation was done in 0.0000200272 seconds

Divisors of 999

List of proper divisors 1, 3, 9, 27, 37, 111, 333
List of all dividers1, 3, 9, 27, 37, 111, 333, 999
Number of divisors d(n)8
Sum of all divisors σ(n)1520
Aliquot sum 521
999 is a deficient number , since it is larger than the sum of its proper divisors (521). Its deficiency is 478.
Calculation was done in 0.0000150204 seconds

Prime numbers

Is 999 a prime number?No
Is 999 a semiprime number?No
Is 999 a Chen prime number?No
Is 999 a Mersenne prime number?No
Calculation was done in 0.0001330376 seconds

Sequences

Is 999 a Catalan number?No
Is 999 a Fibonacci number?No
Is 999 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.
999 is not a Happy number
999 is not a Humble number
999 is not a Münchhausen number
999 is not a Perfect number
999 is not a Perfect square
999 is a Palindrome
Calculation was done in 0.0060930252 seconds

Numeric Bases of 999

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.
BaseSystemValue
2Binary11111001112
3Ternary11010003
4Quaternary332134
5Quinary124445
6Senary43436
7Septenary26257
8Octal17478
9Nonary13309
10Decimal999
12Duodecimal6b312
16Hexadecimal3e716
20Vigesimal29j20
36Base36rr36
60SexagesimalGd60
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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 999 (n2)998001
Cube of 999 (n3)997002999
Square root of 99931.606961258558
Natural Logarithm (ln) of 9996.9067547786486
Decimal Logarithm (log) of 9992.999565488226
Calculation was done in 0.0000050068 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 999-0.026460752737064
Cosecant of 999-37.791819829799
Cosine of 9990.99964985298083
Secant of 9991.0003502696651
Tangent of 999-0.026470021136062
Cotangent of 999-37.778587136737
Calculation was done in 0.0000059605 seconds

Number parity

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

Is 999 an Even Number?

No

Is 999 an Odd Number?

Yes, the number 999 is an odd number.
Total number of all odd numbers from 1 to 999 is 500
Sum of all the odd numbers from 1 to 999 are 250000
The sum of all odd numbers is a perfect square: 250000 = 500
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000059605 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 999 in words is "nine hundred ninety-nine", meaning that:
999 is an aban number (a number without the letter a)
999 is not an eban number (as it contains the letter e)
999 is not an iban number (as it contains the letter i)
999 is an oban number (a number without the letter o)
999 is not a tban number (as it contains the letter t)
999 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000019073 seconds

Numeral systems

How to write 999 in other number systems?
Bengali numerals৯৯৯
Eastern Arabic numerals٩٩٩
Hieroglyphs numeralsused in Ancient Egypt𓍪𓎎𓐂
Khmer numerals៩៩៩
Japanese numerals九百九十九
Roman numeralsCMXCIX
Thai numerals๙๙๙
Calculation was done in 0.0000779629 seconds

Translation

How do you say 999 in 38 different languages?
Arabicتسعة مائة و تسعة و تسعون
Croatiandevetsto devedeset i devet
Czechdevět set devadesát devět
Danish ni hundrede ni og halvfems
Dutchnegenhonderdnegenennegentig
Estonianalafa asieke blaasieke vɔ asieke
Faroeseníggju­hundrað­og­níti­níggju
Filipinosiyám na daán at siyám na pû’t siyám
Finnishyhdeksän­sataa­yhdeksän­kymmentä­yhdeksän
Frenchneuf cent quatre-vingt-dix-neuf
Greekεννιακόσια εννενήντα εννέα
Germanneun­hundert­neun­und­neunzig
Hebrewתשע מאות תשעים ותשע
Hindiनौ सौ निन्यानबे
Hungariankilenc­száz­kilencven­kilenc
Icelandicníu­hundrað og níutíu og níu
Indonesiansembilan ratus sembilan puluh sembilan
Italiannovecentonovantanove
Japanese九百九十九
Korean구백구십구
Latviandeviņsimt deviņdesmit deviņi
Lithuaniandevyni šimtai devyniasdešimt devyni
Norwegianni hundre og nitti­ni
Persianنهصد و نود و نه
Polishdziewięćset dziewięćdziesiąt dziewięć
Portuguesenovecentos e noventa e nove
Romaniannouă sute nouăzeci şi nouă
Russianдевятьсот девяносто девять
Serbianдеветсто деведесет и девет
Slovakdeväť­sto deväťdesiat­deväť
Slovenedevetsto devetdeset devet
Spanish novecientos noventa y nueve
Swahilimia tisa na tisini na tisa
Swedishniohundranittionio
Thaiเก้า​ร้อย​เก้า​สิบ​เก้า
Turkishdokuz yüz doksan dokuz
Ukrainianдевʼятсот девʼяносто девʼять
Vietnamesechín trăm chín mươi chín
Calculation was done in 0.0140528679 seconds

Miscellaneous

Number 999 reversed999
Unicode CharacterU+03E7ϧ
Hexadecimal color (shorthand)#999999
Unix TimestampThu, 01 Jan 1970 00:16:39 +0000
Calculation was done in 0.0000228882 seconds
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