491
Number 491 (four hundred ninety-one) is an odd three-digits prime number and natural number following 490 and preceding 492.
| Nominal | 491 |
| Cardinal | four hundred ninety-one |
Cardinal four hundred ninety-one |
| Ordinal | 491st |
| Number of digits | 3 |
| Sum of digits | 14 |
| Product of digits | 36 |
| Number parity | Odd |
Calculation was done in 0.0000388622 seconds
| Prime factorization | 491 |
| Prime factors | 491 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 491 |
| Product of prime factors | 491 |
Calculation was done in 0.0000309944 seconds
| List of proper divisors | 1 |
| List of all dividers | 1, 491 |
| Number of divisors d(n) | 2 |
| Sum of all divisors σ(n) | 492 |
| Aliquot sum | 1 |
| 491 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 490. |
Calculation was done in 0.0000131130 seconds
| Is 491 a prime number? | Yes |
| Is 491 a semiprime number? | No |
| Is 491 a Chen prime number? | Yes |
| Is 491 a Mersenne prime number? | No |
Calculation was done in 0.0001380444 seconds
| Is 491 a Catalan number? | No |
| Is 491 a Fibonacci number? | No |
| Is 491 a Idoneal number? | No |
Calculation was done in 0.0000040531 seconds
| 491 is not a Happy number |
| 491 is not a Humble number |
| 491 is not a Münchhausen number |
| 491 is not a Perfect number |
| 491 is not a Perfect square |
| 491 is not a Palindrome |
Calculation was done in 0.0049757957 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1111010112 |
| 3 | Ternary | 2000123 |
| 4 | Quaternary | 132234 |
| 5 | Quinary | 34315 |
| 6 | Senary | 21356 |
| 7 | Septenary | 13017 |
| 8 | Octal | 7538 |
| 9 | Nonary | 6059 |
| 10 | Decimal | 491 |
| 12 | Duodecimal | 34b12 |
| 16 | Hexadecimal | 1eb16 |
| 20 | Vigesimal | 14b20 |
| 36 | Base36 | dn36 |
| 60 | Sexagesimal | 8B60 |
Calculation was done in 0.0000178814 seconds
| Square of 491 (n2) | 241081 |
| Cube of 491 (n3) | 118370771 |
| Square root of 491 | 22.15851980616 |
| Natural Logarithm (ln) of 491 | 6.1964441277945 |
| Decimal Logarithm (log) of 491 | 2.691081492123 |
Calculation was done in 0.0000040531 seconds
| Sine of 491 | 0.79045167123434 |
| Cosecant of 491 | 1.2650994822219 |
| Cosine of 491 | 0.6125244121199 |
| Secant of 491 | 1.6325879919448 |
| Tangent of 491 | 1.2904819066699 |
| Cotangent of 491 | 0.77490431662116 |
Calculation was done in 0.0000100136 seconds
Is 491 an Odd Number?
Yes, the number 491 is an odd number.
Total number of all odd numbers from 1 to 491 is
246Sum of all the odd numbers from 1 to 491 are
60516The sum of all odd numbers is a perfect square: 60516 = 246
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.Previous odd number is
489
Calculation was done in 0.0000059605 seconds
| The spelling of 491 in words is "four hundred ninety-one", meaning that: |
| 491 is an aban number (a number without the letter a) |
| 491 is not an eban number (as it contains the letter e) |
| 491 is not an iban number (as it contains the letter i) |
| 491 is not an oban number (as it contains the letter o) |
| 491 is not a tban number (as it contains the letter t) |
| 491 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000021458 seconds
| Bengali numerals | ৪৯১ |
| Eastern Arabic numerals | ٤٩١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓍥𓎎𓏺 |
| Khmer numerals | ៤៩១ |
| Japanese numerals | 四百九十一 |
| Roman numerals | CDXCI |
| Thai numerals | ๔๙๑ |
Calculation was done in 0.0000669956 seconds
| Arabic | أربعة مائة و واحد و تسعون |
| Croatian | četiristo devedeset i jedan |
| Czech | čtyři sta devadesát jeden |
| Danish | fire hundrede en og halvfems |
| Dutch | vierhonderdéénennegentig |
| Estonian | alafa ene blaasieke vɔ ɖekɛ |
| Faroese | fýrehundraðognítiein |
| Filipino | ápat na daán at siyám na pû’t isá |
| Finnish | neljäsataayhdeksänkymmentäyksi |
| French | quatre cent quatre-vingt-onze |
| Greek | τετρακόσια εννενήντα ένα |
| German | vierhunderteinundneunzig |
| Hebrew | ארבע מאות תשעים ואחת |
| Hindi | चार सौ इक्यानबे |
| Hungarian | négyszázkilencvenegy |
| Icelandic | fjögurhundrað og níutíu og einn |
| Indonesian | empat ratus sembilan puluh satu |
| Italian | quattrocentonovantuno |
| Japanese | 四百九十一 |
| Korean | 사백구십일 |
| Latvian | četrsimt deviņdesmit viens |
| Lithuanian | keturi šimtai devyniasdešimt vienas |
| Norwegian | fire hundre og nittién |
| Persian | چهارصد و نود و یک |
| Polish | czterysta dziewięćdziesiąt jeden |
| Portuguese | quatrocentos e noventa e um |
| Romanian | patru sute nouăzeci şi unu |
| Russian | четыреста девяносто один |
| Serbian | четиристо деведесет и један |
| Slovak | štyristo deväťdesiatjeden |
| Slovene | štiristo devetdeset ena |
| Spanish | cuatrocientos noventa y uno |
| Swahili | mia nne na tisini na moja |
| Swedish | fyrahundranittioen |
| Thai | สี่ร้อยเก้าสิบเอ็ด |
| Turkish | dört yüz doksan bir |
| Ukrainian | чотириста девʼяносто один |
| Vietnamese | bốn trăm chín mươi mốt |
Calculation was done in 0.0161089897 seconds
| Number 491 reversed | 194 |
| Unicode Character | U+01EB | ǫ |
| Hexadecimal color (shorthand) | #449911 | |
| Unix Timestamp | Thu, 01 Jan 1970 00:08:11 +0000 |
Calculation was done in 0.0000290871 seconds
This page was generated in 0.02 seconds.