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642

Number 642 (six hundred forty-two) is an even three-digits composite number and natural number following 641 and preceding 643.

Properties of the number 642

Nominal642
Cardinalsix hundred forty-two
Cardinal
six hundred forty-two
Ordinal642nd
Number of digits3
Sum of digits12
Product of digits48
Number parityEven
Calculation was done in 0.0000329018 seconds

Prime Factorization of 642

Prime factorization2 x 3 x 107
Prime factors2, 3, 107
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)3
Sum of prime factors112
Product of prime factors642
Calculation was done in 0.0000169277 seconds

Divisors of 642

List of proper divisors 1, 2, 3, 6, 107, 214, 321
List of all dividers1, 2, 3, 6, 107, 214, 321, 642
Number of divisors d(n)8
Sum of all divisors σ(n)1296
Aliquot sum 654
642 is an abundant number , because the sum of its proper divisors (654) is greater than itself. Its abundance is 12.
Calculation was done in 0.0000140667 seconds

Prime numbers

Is 642 a prime number?No
Is 642 a semiprime number?No
Is 642 a Chen prime number?No
Is 642 a Mersenne prime number?No
Calculation was done in 0.0000450611 seconds

Sequences

Is 642 a Catalan number?No
Is 642 a Fibonacci number?No
Is 642 a Idoneal number?No
Calculation was done in 0.0000050068 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
642 is not a Happy number
642 is not a Humble number
642 is not a Münchhausen number
642 is not a Perfect number
642 is not a Perfect square
642 is not a Palindrome
Calculation was done in 0.0052468777 seconds

Numeric Bases of 642

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
2Binary10100000102
3Ternary2122103
4Quaternary220024
5Quinary100325
6Senary25506
7Septenary16057
8Octal12028
9Nonary7839
10Decimal642
12Duodecimal45612
16Hexadecimal28216
20Vigesimal1c220
36Base36hu36
60SexagesimalAg60
Calculation was done in 0.0000178814 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 642 (n2)412164
Cube of 642 (n3)264609288
Square root of 64225.33771891864
Natural Logarithm (ln) of 6426.46458830369
Decimal Logarithm (log) of 6422.8075350280689
Calculation was done in 0.0000040531 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 6420.89795421471102
Cosecant of 6421.1136425261079
Cosine of 6420.44008888679757
Secant of 6422.2722682394386
Tangent of 6422.0403928425579
Cotangent of 6420.49010169960525
Calculation was done in 0.0000100136 seconds

Number parity

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

Is 642 an Even Number?

Yes, the number 642 is an even number.

Is 642 an Odd Number?

No
Calculation was done in 0.0000040531 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 642 in words is "six hundred forty-two", meaning that:
642 is an aban number (a number without the letter a)
642 is not an eban number (as it contains the letter e)
642 is not an iban number (as it contains the letter i)
642 is not an oban number (as it contains the letter o)
642 is not a tban number (as it contains the letter t)
642 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000019073 seconds

Numeral systems

How to write 642 in other number systems?
Bengali numerals৬৪২
Eastern Arabic numerals٦٤٢
Hieroglyphs numeralsused in Ancient Egypt𓍧𓎉𓏻
Khmer numerals៦៤២
Japanese numerals六百四十二
Roman numeralsDCXLII
Thai numerals๖๔๒
Calculation was done in 0.0000650883 seconds

Translation

How do you say 642 in 38 different languages?
Arabicستة مائة و إثنان و أربعون
Croatianšeststo četrdeset i dva
Czechšest set čtyřicet dva
Danish seks hundrede to og fyrre
Dutchzeshonderdtweeenveertig
Estonianalafa ade blaene vɔ eve
Faroeseseks­hundrað­og­fýrati­tveir
Filipinoanim na daán at ápat na pû’t dalawá
Finnishkuusi­sataa­neljä­kymmentä­kaksi
Frenchsix cent quarante-deux
Greekεξακόσια σαράντα δύο
Germansechs­hundert­zwei­und­vierzig
Hebrewשש מאות ארבעים ושתיים
Hindiछह सौ बयालीस
Hungarianhat­száz­negyven­kettő
Icelandicsex­hundrað og fjörutíu og tveir
Indonesianenam ratus empat puluh dua
Italianseicentoquarantadue
Japanese六百四十二
Korean육백사십이
Latviansešsimt četrdesmit divi
Lithuanianšeši šimtai keturiasdešimt du
Norwegianseks hundre og førti­to
Persianششصد و چهل و دو
Polishsześćset czterdzieści dwa
Portugueseseiscentos e quarenta e dois
Romanianşase sute patruzeci şi doi
Russianшестьсот сорок два
Serbianшестсто четрдесет и два
Slovakšesť­sto štyridsať­dva
Slovenešesto štirideset dva
Spanish seiscientos cuarenta y dos
Swahilimia sita na arobaini na mbili
Swedishsexhundrafyrtiotvå
Thaiหก​ร้อย​สี่​สิบ​สอง
Turkishaltı yüz kırk iki
Ukrainianшістсот сорок два
Vietnamesesáu trăm bốn mươi hai
Calculation was done in 0.0134758949 seconds

Miscellaneous

Number 642 reversed246
Unicode CharacterU+0282ʂ
Hexadecimal color (shorthand)#664422
Unix TimestampThu, 01 Jan 1970 00:10:42 +0000
Calculation was done in 0.0000250340 seconds
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