1491
Number 1491 is an odd four-digits composite number and natural number following 1490 and preceding 1492.
| Nominal | 1491 |
| Cardinal | one thousand four hundred ninety-one |
Cardinal one thousand four hundred ninety-one |
| Ordinal | 1,491st |
| Number of digits | 4 |
| Sum of digits | 15 |
| Product of digits | 36 |
| Number parity | Odd |
Calculation was done in 0.0000450611 seconds
| Prime factorization | 3 x 7 x 71 |
| Prime factors | 3, 7, 71 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 3 |
| Sum of prime factors | 81 |
| Product of prime factors | 1491 |
Calculation was done in 0.0000121593 seconds
| List of proper divisors | 1, 3, 7, 21, 71, 213, 497 |
| List of all dividers | 1, 3, 7, 21, 71, 213, 497, 1491 |
| Number of divisors d(n) | 8 |
| Sum of all divisors σ(n) | 2304 |
| Aliquot sum | 813 |
| 1491 is a deficient number , since it is larger than the sum of its proper divisors (813). Its deficiency is 678. |
Calculation was done in 0.0000200272 seconds
| Is 1491 a prime number? | No |
| Is 1491 a semiprime number? | No |
| Is 1491 a Chen prime number? | No |
| Is 1491 a Mersenne prime number? | No |
Calculation was done in 0.0003960133 seconds
| Is 1491 a Catalan number? | No |
| Is 1491 a Fibonacci number? | No |
| Is 1491 a Idoneal number? | No |
Calculation was done in 0.0000069141 seconds
| 1491 is not a Happy number |
| 1491 is not a Humble number |
| 1491 is not a Münchhausen number |
| 1491 is not a Perfect number |
| 1491 is not a Perfect square |
| 1491 is not a Palindrome |
Calculation was done in 0.0123889446 seconds
| Base | System | Value |
|---|
| 2 | Binary | 101110100112 |
| 3 | Ternary | 20010203 |
| 4 | Quaternary | 1131034 |
| 5 | Quinary | 214315 |
| 6 | Senary | 105236 |
| 7 | Septenary | 42307 |
| 8 | Octal | 27238 |
| 9 | Nonary | 20369 |
| 10 | Decimal | 1491 |
| 12 | Duodecimal | a4312 |
| 16 | Hexadecimal | 5d316 |
| 20 | Vigesimal | 3eb20 |
| 36 | Base36 | 15f36 |
| 60 | Sexagesimal | Op60 |
Calculation was done in 0.0000190735 seconds
| Square of 1491 (n2) | 2223081 |
| Cube of 1491 (n3) | 3314613771 |
| Square root of 1491 | 38.613469152616 |
| Natural Logarithm (ln) of 1491 | 7.3072023147647 |
| Decimal Logarithm (log) of 1491 | 3.173477643453 |
Calculation was done in 0.0000040531 seconds
| Sine of 1491 | 0.95101738517955 |
| Cosecant of 1491 | 1.0515054883158 |
| Cosine of 1491 | -0.30913740162951 |
| Secant of 1491 | -3.2348075474816 |
| Tangent of 1491 | -3.0763582153651 |
| Cotangent of 1491 | -0.3250596744571 |
Calculation was done in 0.0000119209 seconds
Is 1491 an Even Number?
No
Is 1491 an Odd Number?
Yes, the number 1491 is an odd number.
Total number of all odd numbers from 1 to 1491 is
746Sum of all the odd numbers from 1 to 1491 are
556516The sum of all odd numbers is a perfect square: 556516 = 746
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
1489
Calculation was done in 0.0000059605 seconds
| The spelling of 1491 in words is "one thousand four hundred ninety-one", meaning that: |
| 1491 is not an aban number (as it contains the letter a) |
| 1491 is not an eban number (as it contains the letter e) |
| 1491 is not an iban number (as it contains the letter i) |
| 1491 is not an oban number (as it contains the letter o) |
| 1491 is not a tban number (as it contains the letter t) |
| 1491 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000028610 seconds
| Bengali numerals | ১৪৯১ |
| Eastern Arabic numerals | ١٬٤٩١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆼𓍥𓎎𓏺 |
| Khmer numerals | ១៤៩១ |
| Japanese numerals | 千四百九十一 |
| Roman numerals | MCDXCI |
| Thai numerals | ๑๔๙๑ |
Calculation was done in 0.0001010895 seconds
| Arabic | ألف و أربعة مائة و واحد و تسعون |
| Croatian | tisuću četiristo devedeset i jedan |
| Czech | jedna tisíc čtyři sta devadesát jeden |
| Danish | et tusind fire hundrede en og halvfems |
| Dutch | duizend vierhonderdéénennegentig |
| Estonian | akpe ɖeka alafa ene blaasieke vɔ ɖekɛ |
| Faroese | eitt tusin og fýrehundraðognítiein |
| Filipino | isáng libó’t ápat na daán at siyám na pû’t isá |
| Finnish | tuhatneljäsataayhdeksänkymmentäyksi |
| French | mille quatre cent quatre-vingt-onze |
| Greek | χίλια τετρακόσια εννενήντα ένα |
| German | eintausendvierhunderteinundneunzig |
| Hebrew | אלף ארבע מאות תשעים ואחת |
| Hindi | एक हज़ार चार सौ इक्यानबे |
| Hungarian | ezernégyszázkilencvenegy |
| Icelandic | eitt þúsund og fjögurhundrað og níutíu og einn |
| Indonesian | seribu empat ratus sembilan puluh satu |
| Italian | millequattrocentonovantuno |
| Japanese | 千四百九十一 |
| Korean | 천사백구십일 |
| Latvian | tūkstoš četrsimt deviņdesmit viens |
| Lithuanian | tūkstantis keturi šimtai devyniasdešimt vienas |
| Norwegian | tusen fire hundre og nittién |
| Persian | یک هزار و چهارصد و نود و یک |
| Polish | tysiąc czterysta dziewięćdziesiąt jeden |
| Portuguese | mil quatrocentos e noventa e um |
| Romanian | una mie patru sute nouăzeci şi unu |
| Russian | одна тысяча четыреста девяносто один |
| Serbian | једна хиљаду четиристо деведесет и један |
| Slovak | jedna tisíc štyristo deväťdesiatjeden |
| Slovene | tisuću štiristo devetdeset ena |
| Spanish | mil cuatrocientos noventa y uno |
| Swahili | elfu moja, mia nne na tisini na moja |
| Swedish | entusenfyrahundranittioen |
| Thai | หนึ่งพันสี่ร้อยเก้าสิบเอ็ด |
| Turkish | bin dört yüz doksan bir |
| Ukrainian | одна тисяча чотириста девʼяносто один |
| Vietnamese | một nghìn bốn trăm chín mươi mốt |
Calculation was done in 0.0241379738 seconds
| Number 1491 reversed | 1941 |
| Unicode Character | U+05D3 | ד |
| Unix Timestamp | Thu, 01 Jan 1970 00:24:51 +0000 |
Calculation was done in 0.0000319481 seconds
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