| Nominal | 81340 |
| Cardinal | eighty-one thousand three hundred forty |
Cardinal eighty-one thousand three hundred forty | |
| Ordinal | 81,340th |
| Number of digits | 5 |
| Sum of digits | 16 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 5 x 7 x 7 x 83 |
| Prime factorization in exponent form | 22 x 5 x 72 x 83 |
| Prime factors | 2, 5, 7, 83 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 97 |
| Product of prime factors | 5810 |
| Is 81340 a prime number? | No |
| Is 81340 a semiprime number? | No |
| Is 81340 a Chen prime number? | No |
| Is 81340 a Mersenne prime number? | No |
| Is 81340 a Catalan number? | No |
| Is 81340 a Fibonacci number? | No |
| Is 81340 a Idoneal number? | No |
| Square of 81340 (n2) | 6616195600 |
| Cube of 81340 (n3) | 538161350104000 |
| Square root of 81340 | 285.20168302449 |
| Natural Logarithm (ln) of 81340 | 11.306393179461 |
| Decimal Logarithm (log) of 81340 | 4.9103041680686 |
| Sine of 81340 | -0.85450954969434 |
| Cosecant of 81340 | -1.1702619360517 |
| Cosine of 81340 | -0.51943568368103 |
| Secant of 81340 | -1.9251661590005 |
| Tangent of 81340 | 1.6450728676143 |
| Cotangent of 81340 | 0.60787580883892 |
| The spelling of 81340 in words is "eighty-one thousand three hundred forty", meaning that: |
| 81340 is not an aban number (as it contains the letter a) |
| 81340 is not an eban number (as it contains the letter e) |
| 81340 is not an iban number (as it contains the letter i) |
| 81340 is not an oban number (as it contains the letter o) |
| 81340 is not a tban number (as it contains the letter t) |
| 81340 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৮১৩৪০ |
| Eastern Arabic numerals | ٨١٬٣٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍤𓎉 |
| Khmer numerals | ៨១៣៤០ |
| Japanese numerals | 八万千三百四十 |
| Roman numerals | n/a |
| Thai numerals | ๘๑๓๔๐ |
| Arabic | واحد و ثمانون ألف و ثلاثة مائة و أربعون |
| Croatian | osamdeset i jedna tisuća tristo četrdeset |
| Czech | osmdesát jedna tisíc tři sta čtyřicet |
| Danish | en og firs tusinde tre hundrede fyrre |
| Dutch | éénentachtigduizend driehonderdveertig |
| Estonian | akpe blaenyi vɔ ɖekɛ alafa etɔ̃ kple blaene |
| Faroese | áttatieitt tusin og trýhundraðogfýrati |
| Filipino | walóng pû’t isáng libó’t tatlóng daán at ápat na pû |
| Finnish | kahdeksankymmentäyksituhattakolmesataaneljäkymmentä |
| French | quatre-vingt-un mille trois cent quarante |
| Greek | ογδόντα μία χίλιάδες τριακόσια σαράντα |
| German | einundachtzigtausenddreihundertvierzig |
| Hebrew | שמונים ואחד אלף שלוש מאות ארבעים |
| Hindi | इक्यासी हज़ार तीन सौ चालीस |
| Hungarian | nyolcvanegyezerháromszáznegyven |
| Icelandic | áttatíu og eitt þúsund og þrjúhundrað og fjörutíu |
| Indonesian | delapan puluh satu ribu tiga ratus empat puluh |
| Italian | ottant e unmilatrecentoquaranta |
| Japanese | 八万千三百四十 |
| Korean | 팔만 천삼백사십 |
| Latvian | astoņdesmit viens tūkstoši trīssimt četrdesmit |
| Lithuanian | aštuoniasdešimt vienas tūkstantis trys šimtai keturiasdešimt |
| Norwegian | åttiett tusen tre hundre og førti |
| Persian | هشتاد و یک هزار و سیصد و چهل |
| Polish | osiemdziesiąt jeden tysięcy trzysta czterdzieści |
| Portuguese | oitenta e um mil trezentos e quarenta |
| Romanian | optzeci şi una mii trei sute patruzeci |
| Russian | восемьдесят одна тысяча триста сорок |
| Serbian | осамдесет и једна хиљада триста четрдесет |
| Slovak | osemdesiatjedna tisíc tristo štyridsať |
| Slovene | osemdeset ena tisuću tristo štirideset |
| Spanish | ochenta y un mil trescientos cuarenta |
| Swahili | elfu themanini na moja, mia tatu na arobaini |
| Swedish | åttioentusentrehundrafyrtio |
| Thai | แปดหมื่นหนึ่งพันสามร้อยสี่สิบ |
| Turkish | seksen bir bin üç yüz kırk |
| Ukrainian | вісімдесят одна тисяча триста сорок |
| Vietnamese | tám mươi mốt nghìn ba trăm bốn mươi |
| Number 81340 reversed | 04318 | |
| Unicode Character | U+13DBC | |
| Unix Timestamp | Thu, 01 Jan 1970 22:35:40 +0000 | |