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Number 157 (one hundred fifty-seven) is an odd three-digits prime number and natural number following 156 and preceding 158.

Properties of the number 157

Cardinalone hundred fifty-seven
one hundred fifty-seven
Number of digits3
Sum of digits13
Product of digits35
Number parityOdd
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Prime Factorization of 157

Prime factorization157
Prime factors157
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors157
Product of prime factors157
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Divisors of 157

List of proper divisors 1
List of all dividers1, 157
Number of divisors d(n)2
Sum of all divisors σ(n)158
Aliquot sum 1
157 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 156.
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Prime numbers

Is 157 a prime number?Yes
Is 157 a semiprime number?No
Is 157 a Chen prime number?Yes
Is 157 a Mersenne prime number?No
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Is 157 a Catalan number?No
Is 157 a Fibonacci number?No
Is 157 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.
157 is not a Happy number
157 is not a Humble number
157 is not a Münchhausen number
157 is not a Perfect number
157 is not a Perfect square
157 is not a Palindrome
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Numeric Bases of 157

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.
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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 157 (n2)24649
Cube of 157 (n3)3869893
Square root of 15712.529964086142
Natural Logarithm (ln) of 1575.0562458053483
Decimal Logarithm (log) of 1572.1958996524092
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 157-0.079548542874722
Cosecant of 157-12.570940508299
Cosine of 1570.99683099336172
Secant of 1571.0031790811676
Tangent of 157-0.079801434149286
Cotangent of 157-12.531103114379
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Number parity

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

Is 157 an Even Number?


Is 157 an Odd Number?

Yes, the number 157 is an odd number.
Total number of all odd numbers from 1 to 157 is 79
Sum of all the odd numbers from 1 to 157 are 6241
The sum of all odd numbers is a perfect square: 6241 = 79
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
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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 157 in words is "one hundred fifty-seven", meaning that:
157 is an aban number (a number without the letter a)
157 is not an eban number (as it contains the letter e)
157 is not an iban number (as it contains the letter i)
157 is not an oban number (as it contains the letter o)
157 is not a tban number (as it contains the letter t)
157 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 157 in other number systems?
Bengali numerals১৫৭
Eastern Arabic numerals١٥٧
Hieroglyphs numeralsused in Ancient Egypt𓍢𓎊𓐀
Khmer numerals១៥៧
Japanese numerals百五十七
Roman numeralsCLVII
Thai numerals๑๕๗
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How do you say 157 in 38 different languages?
Arabicمائة و سبعة و خمسون
Croatiansto pedeset i sedam
Czechsto padesát sedm
Danish et hundrede syv og halvtreds
Estonianalafa ɖeka blaatɔ̃ vɔ adre
Filipinoisáng daán at limáng pû’t pitó
Frenchcent cinquante-sept
Greekεκατόν πενήντα επτά
Hebrewמאה חמישים ושבע
Hindiएक सौ सत्तावन
Icelandiceitt­hundrað og fimmtíu og sjó
Indonesianseratus lima puluh tujuh
Latviansimt piecdesmit septiņi
Lithuanianšimtas penkiasdešimt septyni
Norwegianhundre og femti­sju
Persianصد و پنجاه و هفت
Polishsto pięćdziesiąt siedem
Portuguesecento e cinquenta e sete
Romanianuna sută cincizeci şi şapte
Russianсто пятьдесят семь
Serbianсто педесет и седам
Slovakjedna­sto päťdesiat­sedem
Slovenesto petdeset sedem
Spanish ciento cincuenta y siete
Swahilimia moja na hamsini na saba
Turkishyüz elli yedi
Ukrainianсто пʼятдесят сім
Vietnamesemột trăm năm mươi bảy
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Number 157 reversed751
ASCII Code157
Unicode CharacterU+009D
Hexadecimal color (shorthand)#115577
Unix TimestampThu, 01 Jan 1970 00:02:37 +0000
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