| Nominal | 51240 |
| Cardinal | fifty-one thousand two hundred forty |
Cardinal fifty-one thousand two hundred forty | |
| Ordinal | 51,240th |
| Number of digits | 5 |
| Sum of digits | 12 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 3 x 5 x 7 x 61 |
| Prime factorization in exponent form | 23 x 3 x 5 x 7 x 61 |
| Prime factors | 2, 3, 5, 7, 61 |
| Number of distinct prime factors ω(n) | 5 |
| Total number of prime factors Ω(n) | 7 |
| Sum of prime factors | 78 |
| Product of prime factors | 12810 |
| Is 51240 a prime number? | No |
| Is 51240 a semiprime number? | No |
| Is 51240 a Chen prime number? | No |
| Is 51240 a Mersenne prime number? | No |
| Is 51240 a Catalan number? | No |
| Is 51240 a Fibonacci number? | No |
| Is 51240 a Idoneal number? | No |
| Square of 51240 (n2) | 2625537600 |
| Cube of 51240 (n3) | 134532546624000 |
| Square root of 51240 | 226.36254107073 |
| Natural Logarithm (ln) of 51240 | 10.844275756011 |
| Decimal Logarithm (log) of 51240 | 4.7096091210726 |
| Sine of 51240 | 0.58413988913752 |
| Cosecant of 51240 | 1.7119187006326 |
| Cosine of 51240 | 0.81165299846572 |
| Secant of 51240 | 1.2320536015887 |
| Tangent of 51240 | 0.71969165424354 |
| Cotangent of 51240 | 1.389483946498 |
| The spelling of 51240 in words is "fifty-one thousand two hundred forty", meaning that: |
| 51240 is not an aban number (as it contains the letter a) |
| 51240 is not an eban number (as it contains the letter e) |
| 51240 is not an iban number (as it contains the letter i) |
| 51240 is not an oban number (as it contains the letter o) |
| 51240 is not a tban number (as it contains the letter t) |
| 51240 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৫১২৪০ |
| Eastern Arabic numerals | ٥١٬٢٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓆼𓍣𓎉 |
| Khmer numerals | ៥១២៤០ |
| Japanese numerals | 五万千二百四十 |
| Roman numerals | n/a |
| Thai numerals | ๕๑๒๔๐ |
| Arabic | واحد و خمسون ألف و مائتان و أربعون |
| Croatian | pedeset i jedna tisuća dvjesto četrdeset |
| Czech | padesát jedna tisíc dvě stě čtyřicet |
| Danish | en og halvtreds tusinde to hundrede fyrre |
| Dutch | éénenvijftigduizend tweehonderdveertig |
| Estonian | akpe blaatɔ̃ vɔ ɖekɛ alafa eve kple blaene |
| Faroese | fimmtieitt tusin og tveyhundraðogfýrati |
| Filipino | limáng pû’t isáng libó’t dalawáng daán at ápat na pû |
| Finnish | viisikymmentäyksituhattakaksisataaneljäkymmentä |
| French | cinquante et un mille deux cent quarante |
| Greek | πενήντα μία χίλιάδες διακόσια σαράντα |
| German | einundfünfzigtausendzweihundertvierzig |
| Hebrew | חמישים ואחד אלף מאתיים ארבעים |
| Hindi | इक्यावन हज़ार दो सौ चालीस |
| Hungarian | ötvenegyezerkétszáznegyven |
| Icelandic | fimmtíu og eitt þúsund og tvöhundrað og fjörutíu |
| Indonesian | lima puluh satu ribu dua ratus empat puluh |
| Italian | cinquant e unmiladuecentoquaranta |
| Japanese | 五万千二百四十 |
| Korean | 오만 천이백사십 |
| Latvian | piecdesmit viens tūkstoši divsimt četrdesmit |
| Lithuanian | penkiasdešimt vienas tūkstantis du šimtai keturiasdešimt |
| Norwegian | femtiett tusen to hundre og førti |
| Persian | پنجاه و یک هزار و دویست و چهل |
| Polish | pięćdziesiąt jeden tysięcy dwieście czterdzieści |
| Portuguese | cinquenta e um mil duzentos e quarenta |
| Romanian | cincizeci şi una mii două sute patruzeci |
| Russian | пятьдесят одна тысяча двести сорок |
| Serbian | педесет и једна хиљада двеста четрдесет |
| Slovak | päťdesiatjedna tisíc dvesto štyridsať |
| Slovene | petdeset ena tisuću dvjesto štirideset |
| Spanish | cincuenta y un mil doscientos cuarenta |
| Swahili | elfu hamsini na moja, mia mbili na arobaini |
| Swedish | femtioentusentvåhundrafyrtio |
| Thai | ห้าหมื่นหนึ่งพันสองร้อยสี่สิบ |
| Turkish | elli bir bin iki yüz kırk |
| Ukrainian | пʼятдесят одна тисяча двісті сорок |
| Vietnamese | năm mươi mốt nghìn hai trăm bốn mươi |
| Number 51240 reversed | 04215 | |
| Unicode Character | U+C828 | 젨 |
| Unix Timestamp | Thu, 01 Jan 1970 14:14:00 +0000 | |