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# 157

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

 Nominal 157 Cardinal one hundred fifty-seven Cardinalone hundred fifty-seven Ordinal 157th Number of digits 3 Sum of digits 13 Product of digits 35 Number parity Odd
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## Prime Factorization of 157

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

 List of proper divisors 1 List of all dividers 1, 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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## Sequences

 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.
BaseSystemValue
2Binary100111012
3Ternary122113
4Quaternary21314
5Quinary11125
6Senary4216
7Septenary3137
8Octal2358
9Nonary1849
10Decimal157
12Duodecimal11112
20Vigesimal7h20
36Base364d36
60Sexagesimal2b60
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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) 3.86989e+06 Square root of 157 12.53 Natural Logarithm (ln) of 157 5.05625 Decimal Logarithm (log) of 157 2.1959
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 157 -0.0795485 Cosecant of 157 -12.5709 Cosine of 157 0.996831 Secant of 157 1.00318 Tangent of 157 -0.0798014 Cotangent of 157 -12.5311
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## Number parity

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

No

### 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 numerals ১৫৭ Eastern Arabic numerals ١٥٧ Hieroglyphs numeralsused in Ancient Egypt 𓍢𓎊𓐀 Khmer numerals ១៥៧ Japanese numerals 百五十七 Roman numerals CLVII Thai numerals ๑๕๗
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## Translation

How do you say 157 in 38 different languages?
 Arabic مائة و سبعة و خمسون Croatian sto pedeset i sedam Czech sto padesát sedm Danish et hundrede syv og halvtreds Dutch honderdzevenenvijftig Estonian alafa ɖeka blaatɔ̃ vɔ adre Faroese eitt­hundrað­og­fimmti­sjey Filipino isáng daán at limáng pû’t pitó Finnish sata­viisi­kymmentä­seitsemän French cent cinquante-sept Greek εκατόν πενήντα επτά German ein­hundert­sieben­und­fünfzig Hebrew מאה חמישים ושבע Hindi एक सौ सत्तावन Hungarian száz­ötven­hét Icelandic eitt­hundrað og fimmtíu og sjó Indonesian seratus lima puluh tujuh Italian centocinquantasette Japanese 百五十七 Korean 백오십칠 Latvian simt piecdesmit septiņi Lithuanian šimtas penkiasdešimt septyni Norwegian hundre og femti­sju Persian صد و پنجاه و هفت Polish sto pięćdziesiąt siedem Portuguese cento e cinquenta e sete Romanian una sută cincizeci şi şapte Russian сто пятьдесят семь Serbian сто педесет и седам Slovak jedna­sto päťdesiat­sedem Slovene sto petdeset sedem Spanish ciento cincuenta y siete Swahili mia moja na hamsini na saba Swedish enhundrafemtiosju Thai หนึ่ง​ร้อย​ห้า​สิบ​เจ็ด Turkish yüz elli yedi Ukrainian сто пʼятдесят сім Vietnamese một trăm năm mươi bảy
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## Miscellaneous

 Number 157 reversed 751 ASCII Code 157  Unicode Character U+009D  Hexadecimal color (shorthand) #115577 Unix Timestamp Thu, 01 Jan 1970 00:02:37 +0000
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