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70

Number 70 (seventy) is an even two-digits composite number and natural number following 69 and preceding 71.

Properties of the number 70

Nominal70
Cardinalseventy
Ordinal70th
Number of digits2
Sum of digits7
Product of digits0
Number parityEven
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Prime Factorization of 70

Prime factorization2 x 5 x 7
Prime factors2, 5, 7
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)3
Sum of prime factors14
Product of prime factors70
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Divisors of 70

List of proper divisors 1, 2, 5, 7, 10, 14, 35
List of all dividers1, 2, 5, 7, 10, 14, 35, 70
Number of divisors d(n)8
Sum of all divisors σ(n)144
Aliquot sum 74
70 is an abundant number , because the sum of its proper divisors (74) is greater than itself. Its abundance is 4.
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Prime numbers

Is 70 a prime number?No
Is 70 a semiprime number?No
Is 70 a Chen prime number?No
Is 70 a Mersenne prime number?No
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Sequences

Is 70 a Catalan number?No
Is 70 a Fibonacci number?No
Is 70 a Idoneal number?Yes: I30
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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.
70 is a Happy number
70 is a Humble number
70 is not a Münchhausen number
70 is not a Perfect number
70 is not a Perfect square
70 is not a Palindrome
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Numeric Bases of 70

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
2Binary10001102
3Ternary21213
4Quaternary10124
5Quinary2405
6Senary1546
7Septenary1307
8Octal1068
9Nonary779
10Decimal70
12Duodecimal5a12
16Hexadecimal4616
20Vigesimal3a20
36Base361y36
60Sexagesimal1A60
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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 70 (n2)4900
Cube of 70 (n3)343000
Square root of 708.3666002653408
Natural Logarithm (ln) of 704.2484952420494
Decimal Logarithm (log) of 701.8450980400143
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 700.77389068155789
Cosecant of 701.2921721682796
Cosine of 700.6333192030863
Secant of 701.5789825969697
Tangent of 701.2219599181369
Cotangent of 700.8183574478651
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Number parity

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

Is 70 an Even Number?

Yes, the number 70 is an even number.

Is 70 an Odd Number?

No
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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 70 in words is "seventy", meaning that:
70 is an aban number (a number without the letter a)
70 is not an eban number (as it contains the letter e)
70 is an iban number (a number without the letter i)
70 is an oban number (a number without the letter o)
70 is not a tban number (as it contains the letter t)
70 is an uban number (a number without the letter u)
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Numeral systems

How to write 70 in other number systems?
Bengali numerals৭০
Eastern Arabic numerals٧٠
Hieroglyphs numeralsused in Ancient Egypt𓎌
Khmer numerals៧០
Japanese numerals七十
Roman numeralsLXX
Thai numerals๗๐
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Translation

How do you say 70 in 38 different languages?
Arabicسبعون
Croatiansedamdeset
Czechsedmdesát
Danish halvfjerds
Dutchzeventig
Estonianblaadre
Faroesesjeyti
Filipinopitóng pû
Finnishseitsemän­kymmentä
Frenchsoixante-dix
Greekεβδομήντα
Germansiebzig
Hebrewשבעים
Hindiसत्तर
Hungarianhetven
Icelandicsjötíu
Indonesiantujuh puluh
Italiansettanta
Japanese七十
Korean칠십
Latvianseptiņdesmit
Lithuanianseptyniasdešimt
Norwegiansytti
Persianهفتاد
Polishsiedemdziesiąt
Portuguesesetenta
Romanianşaptezeci
Russianсемьдесят
Serbianседамдесет
Slovaksedemdesiat
Slovenesedemdeset
Spanish setenta
Swahilisabini
Swedishsjutio
Thaiเจ็ด​สิบ
Turkishyetmiş
Ukrainianсімдесят
Vietnamesebảy mươi
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Miscellaneous

Number 70 reversed07
ASCII Code70F
Unicode CharacterU+0046F
Unix TimestampThu, 01 Jan 1970 00:01:10 +0000
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