| Nominal | 42540 |
| Cardinal | forty-two thousand five hundred forty |
Cardinal forty-two thousand five hundred forty | |
| Ordinal | 42,540th |
| Number of digits | 5 |
| Sum of digits | 15 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 3 x 5 x 709 |
| Prime factorization in exponent form | 22 x 3 x 5 x 709 |
| Prime factors | 2, 3, 5, 709 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 719 |
| Product of prime factors | 21270 |
| Is 42540 a prime number? | No |
| Is 42540 a semiprime number? | No |
| Is 42540 a Chen prime number? | No |
| Is 42540 a Mersenne prime number? | No |
| Is 42540 a Catalan number? | No |
| Is 42540 a Fibonacci number? | No |
| Is 42540 a Idoneal number? | No |
| Square of 42540 (n2) | 1809651600 |
| Cube of 42540 (n3) | 76982579064000 |
| Square root of 42540 | 206.25227271475 |
| Natural Logarithm (ln) of 42540 | 10.658200088754 |
| Decimal Logarithm (log) of 42540 | 4.6287974855667 |
| Sine of 42540 | 0.30136344957941 |
| Cosecant of 42540 | 3.3182524337163 |
| Cosine of 42540 | -0.95350934513386 |
| Secant of 42540 | -1.048757419215 |
| Tangent of 42540 | -0.31605715362664 |
| Cotangent of 42540 | -3.1639847050616 |
| The spelling of 42540 in words is "forty-two thousand five hundred forty", meaning that: |
| 42540 is not an aban number (as it contains the letter a) |
| 42540 is not an eban number (as it contains the letter e) |
| 42540 is not an iban number (as it contains the letter i) |
| 42540 is not an oban number (as it contains the letter o) |
| 42540 is not a tban number (as it contains the letter t) |
| 42540 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৪২৫৪০ |
| Eastern Arabic numerals | ٤٢٬٥٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓆼𓆼𓍦𓎉 |
| Khmer numerals | ៤២៥៤០ |
| Japanese numerals | 四万二千五百四十 |
| Roman numerals | n/a |
| Thai numerals | ๔๒๕๔๐ |
| Arabic | إثنان و أربعون ألف و خمسة مائة و أربعون |
| Croatian | četrdeset i dvije tisuća petsto četrdeset |
| Czech | čtyřicet dvě tisíc pět set čtyřicet |
| Danish | to og fyrre tusinde fem hundrede fyrre |
| Dutch | tweeenveertigduizend vijfhonderdveertig |
| Estonian | akpe blaene vɔ eve alafa atɔ̃ kple blaene |
| Faroese | fýratitvey tusin og fimmhundraðogfýrati |
| Filipino | ápat na pû’t dalawáng libó’t limáng daán at ápat na pû |
| Finnish | neljäkymmentäkaksituhattaviisisataaneljäkymmentä |
| French | quarante-deux mille cinq cent quarante |
| Greek | σαράντα δύο χίλιάδες πεντακόσια σαράντα |
| German | zweiundvierzigtausendfünfhundertvierzig |
| Hebrew | ארבעים ושניים אלף חמש מאות ארבעים |
| Hindi | बयालीस हज़ार पाँच सौ चालीस |
| Hungarian | negyvenkettőezerötszáznegyven |
| Icelandic | fjörutíu og tvö þúsund og fimmhundrað og fjörutíu |
| Indonesian | empat puluh dua ribu lima ratus empat puluh |
| Italian | quarantaduemilacinquecentoquaranta |
| Japanese | 四万二千五百四十 |
| Korean | 사만 이천오백사십 |
| Latvian | četrdesmit divi tūkstoši piecsimt četrdesmit |
| Lithuanian | keturiasdešimt du tūkstančiai penki šimtai keturiasdešimt |
| Norwegian | førtito tusen fem hundre og førti |
| Persian | چهل و دو هزار و پانصد و چهل |
| Polish | czterdzieści dwa tysiące pięćset czterdzieści |
| Portuguese | quarenta e dois mil quinhentos e quarenta |
| Romanian | patruzeci şi două mii cinci sute patruzeci |
| Russian | сорок две тысячи пятьсот сорок |
| Serbian | четрдесет и две хиљада петсто четрдесет |
| Slovak | štyridsaťdve tisíc päťsto štyridsať |
| Slovene | štirideset dvije tisuću petsto štirideset |
| Spanish | cuarenta y dos mil quinientos cuarenta |
| Swahili | elfu arobaini na mbili, mia tano na arobaini |
| Swedish | fyrtiotvåtusenfemhundrafyrtio |
| Thai | สี่หมื่นสองพันห้าร้อยสี่สิบ |
| Turkish | kırk iki bin beş yüz kırk |
| Ukrainian | сорок дві тисячі пʼятсот сорок |
| Vietnamese | bốn mươi hai nghìn năm trăm bốn mươi |
| Number 42540 reversed | 04524 | |
| Unicode Character | U+A62C | |
| Unix Timestamp | Thu, 01 Jan 1970 11:49:00 +0000 | |