| Nominal | 28142 |
| Cardinal | twenty-eight thousand one hundred forty-two |
Cardinal twenty-eight thousand one hundred forty-two | |
| Ordinal | 28,142nd |
| Number of digits | 5 |
| Sum of digits | 17 |
| Product of digits | 128 |
| Number parity | Even |
| Prime factorization | 2 x 14071 |
| Prime factors | 2, 14071 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 14073 |
| Product of prime factors | 28142 |
| Is 28142 a prime number? | No |
| Is 28142 a semiprime number? | Yes |
| Is 28142 a Chen prime number? | No |
| Is 28142 a Mersenne prime number? | No |
| Is 28142 a Catalan number? | No |
| Is 28142 a Fibonacci number? | No |
| Is 28142 a Idoneal number? | No |
| Square of 28142 (n2) | 791972164 |
| Cube of 28142 (n3) | 22287680639288 |
| Square root of 28142 | 167.75577486334 |
| Natural Logarithm (ln) of 28142 | 10.245018401348 |
| Decimal Logarithm (log) of 28142 | 4.4493549587028 |
| Sine of 28142 | -0.37740351475029 |
| Cosecant of 28142 | -2.6496838553866 |
| Cosine of 28142 | 0.92604891180441 |
| Secant of 28142 | 1.0798565683226 |
| Tangent of 28142 | -0.40754166431115 |
| Cotangent of 28142 | -2.4537368509064 |
| The spelling of 28142 in words is "twenty-eight thousand one hundred forty-two", meaning that: |
| 28142 is not an aban number (as it contains the letter a) |
| 28142 is not an eban number (as it contains the letter e) |
| 28142 is not an iban number (as it contains the letter i) |
| 28142 is not an oban number (as it contains the letter o) |
| 28142 is not a tban number (as it contains the letter t) |
| 28142 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২৮১৪২ |
| Eastern Arabic numerals | ٢٨٬١٤٢ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎉𓏻 |
| Khmer numerals | ២៨១៤២ |
| Japanese numerals | 二万八千百四十二 |
| Roman numerals | n/a |
| Thai numerals | ๒๘๑๔๒ |
| Arabic | ثمانية و عشرون ألف و مائة و إثنان و أربعون |
| Croatian | dvadeset i osam tisuća sto četrdeset i dva |
| Czech | dvacet osm tisíc sto čtyřicet dva |
| Danish | otte og tyve tusinde et hundrede to og fyrre |
| Dutch | achtentwintigduizend honderdtweeenveertig |
| Estonian | akpe blaeve vɔ enyi alafa ɖeka blaene vɔ eve |
| Faroese | tjúgoátta tusin og eitthundraðogfýratitveir |
| Filipino | dalawáng pû’t walóng libó’t isáng daán at ápat na pû’t dalawá |
| Finnish | kaksikymmentäkahdeksantuhattasataneljäkymmentäkaksi |
| French | vingt-huit mille cent quarante-deux |
| Greek | είκοσι οκτώ χίλιάδες εκατόν σαράντα δύο |
| German | achtundzwanzigtausendeinhundertzweiundvierzig |
| Hebrew | עשרים ושמונה אלף מאה ארבעים ושתיים |
| Hindi | अट्ठाईस हज़ार एक सौ बयालीस |
| Hungarian | huszonnyolcezerszáznegyvenkettő |
| Icelandic | tuttugu og átta þúsund og eitthundrað og fjörutíu og tveir |
| Indonesian | dua puluh delapan ribu seratus empat puluh dua |
| Italian | ventottomilacentoquarantadue |
| Japanese | 二万八千百四十二 |
| Korean | 이만 팔천백사십이 |
| Latvian | divdesmit astoņi tūkstoši simt četrdesmit divi |
| Lithuanian | dvidešimt aštuoni tūkstančiai šimtas keturiasdešimt du |
| Norwegian | tjueåtte tusen hundre og førtito |
| Persian | بیست و هشت هزار و صد و چهل و دو |
| Polish | dwadzieścia osiem tysięcy sto czterdzieści dwa |
| Portuguese | vinte e oito mil cento e quarenta e dois |
| Romanian | douăzeci şi opt mii una sută patruzeci şi doi |
| Russian | двадцать восемь тысяч сто сорок два |
| Serbian | двадесет и осам хиљада сто четрдесет и два |
| Slovak | dvadsaťosem tisíc jednasto štyridsaťdva |
| Slovene | dvaset osem tisuću sto štirideset dva |
| Spanish | veintiocho mil ciento cuarenta y dos |
| Swahili | elfu ishirini na nane, mia moja na arobaini na mbili |
| Swedish | tjugoåttatusenenhundrafyrtiotvå |
| Thai | สองหมื่นแปดพันหนึ่งร้อยสี่สิบสอง |
| Turkish | yirmi sekiz bin yüz kırk iki |
| Ukrainian | двадцять вісім тисяч сто сорок два |
| Vietnamese | hai mươi tám nghìn một trăm bốn mươi hai |
| Number 28142 reversed | 24182 | |
| Unicode Character | U+6DEE | 淮 |
| Unix Timestamp | Thu, 01 Jan 1970 07:49:02 +0000 | |