| Nominal | 11491 |
| Cardinal | eleven thousand four hundred ninety-one |
Cardinal eleven thousand four hundred ninety-one | |
| Ordinal | 11,491st |
| Number of digits | 5 |
| Sum of digits | 16 |
| Product of digits | 36 |
| Number parity | Odd |
| Prime factorization | 11491 |
| Prime factors | 11491 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 11491 |
| Product of prime factors | 11491 |
| Is 11491 a prime number? | Yes |
| Is 11491 a semiprime number? | No |
| Is 11491 a Chen prime number? | No |
| Is 11491 a Mersenne prime number? | No |
| Is 11491 a Catalan number? | No |
| Is 11491 a Fibonacci number? | No |
| Is 11491 a Idoneal number? | No |
| Square of 11491 (n2) | 132043081 |
| Cube of 11491 (n3) | 1517307043771 |
| Square root of 11491 | 107.19608201795 |
| Natural Logarithm (ln) of 11491 | 9.3493193992576 |
| Decimal Logarithm (log) of 11491 | 4.0603578246486 |
| Sine of 11491 | -0.81103947052486 |
| Cosecant of 11491 | -1.2329856145631 |
| Cosine of 11491 | 0.58499143348493 |
| Secant of 11491 | 1.7094267415896 |
| Tangent of 11491 | -1.3864125593999 |
| Cotangent of 11491 | -0.72128602212955 |
| The spelling of 11491 in words is "eleven thousand four hundred ninety-one", meaning that: |
| 11491 is not an aban number (as it contains the letter a) |
| 11491 is not an eban number (as it contains the letter e) |
| 11491 is not an iban number (as it contains the letter i) |
| 11491 is not an oban number (as it contains the letter o) |
| 11491 is not a tban number (as it contains the letter t) |
| 11491 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১১৪৯১ |
| Eastern Arabic numerals | ١١٬٤٩١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓍥𓎎𓏺 |
| Khmer numerals | ១១៤៩១ |
| Japanese numerals | 一万千四百九十一 |
| Roman numerals | n/a |
| Thai numerals | ๑๑๔๙๑ |
| Arabic | إحدى عشر ألف و أربعة مائة و واحد و تسعون |
| Croatian | jedanaest tisuća četiristo devedeset i jedan |
| Czech | jedenáct tisíc čtyři sta devadesát jeden |
| Danish | elleve tusinde fire hundrede en og halvfems |
| Dutch | elfduizend vierhonderdéénennegentig |
| Estonian | akpe wuiɖekɛ alafa ene blaasieke vɔ ɖekɛ |
| Faroese | ellivu tusin og fýrehundraðognítiein |
| Filipino | labíng-isáng libó’t ápat na daán at siyám na pû’t isá |
| Finnish | yksitoistatuhattaneljäsataayhdeksänkymmentäyksi |
| French | onze mille quatre cent quatre-vingt-onze |
| Greek | έντεκα χίλιάδες τετρακόσια εννενήντα ένα |
| German | elftausendvierhunderteinundneunzig |
| Hebrew | אחד עשר אלף ארבע מאות תשעים ואחת |
| Hindi | ग्यारह हज़ार चार सौ इक्यानबे |
| Hungarian | tizenegyezernégyszázkilencvenegy |
| Icelandic | ellefu þúsund og fjögurhundrað og níutíu og einn |
| Indonesian | sebelas ribu empat ratus sembilan puluh satu |
| Italian | undicimilaquattrocentonovantuno |
| Japanese | 一万千四百九十一 |
| Korean | 만 천사백구십일 |
| Latvian | vienpadsmit tūkstoši četrsimt deviņdesmit viens |
| Lithuanian | vienuolika tūkstančių keturi šimtai devyniasdešimt vienas |
| Norwegian | elleve tusen fire hundre og nittién |
| Persian | یازده هزار و چهارصد و نود و یک |
| Polish | jedenaście tysięcy czterysta dziewięćdziesiąt jeden |
| Portuguese | onze mil quatrocentos e noventa e um |
| Romanian | unsprezece mii patru sute nouăzeci şi unu |
| Russian | одиннадцать тысяч четыреста девяносто один |
| Serbian | једанаест хиљада четиристо деведесет и један |
| Slovak | jedenásť tisíc štyristo deväťdesiatjeden |
| Slovene | enajst tisuću štiristo devetdeset ena |
| Spanish | once mil cuatrocientos noventa y uno |
| Swahili | elfu kumi na moja, mia nne na tisini na moja |
| Swedish | elvatusenfyrahundranittioen |
| Thai | หนึ่งหมื่นหนึ่งพันสี่ร้อยเก้าสิบเอ็ด |
| Turkish | on bir bin dört yüz doksan bir |
| Ukrainian | одинадцять тисяч чотириста девʼяносто один |
| Vietnamese | mười một nghìn bốn trăm chín mươi mốt |
| Number 11491 reversed | 19411 | |
| Unicode Character | U+2CE3 | ⳣ |
| Unix Timestamp | Thu, 01 Jan 1970 03:11:31 +0000 | |