| Nominal | 28129 |
| Cardinal | twenty-eight thousand one hundred twenty-nine |
Cardinal twenty-eight thousand one hundred twenty-nine | |
| Ordinal | 28,129th |
| Number of digits | 5 |
| Sum of digits | 22 |
| Product of digits | 288 |
| Number parity | Odd |
| Prime factorization | 23 x 1223 |
| Prime factors | 23, 1223 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 1246 |
| Product of prime factors | 28129 |
| Is 28129 a prime number? | No |
| Is 28129 a semiprime number? | Yes |
| Is 28129 a Chen prime number? | No |
| Is 28129 a Mersenne prime number? | No |
| Is 28129 a Catalan number? | No |
| Is 28129 a Fibonacci number? | No |
| Is 28129 a Idoneal number? | No |
| Square of 28129 (n2) | 791240641 |
| Cube of 28129 (n3) | 22256807990689 |
| Square root of 28129 | 167.71702358437 |
| Natural Logarithm (ln) of 28129 | 10.244556351616 |
| Decimal Logarithm (log) of 28129 | 4.4491542930539 |
| Sine of 28129 | -0.73156883199754 |
| Cosecant of 28129 | -1.3669253749774 |
| Cosine of 28129 | 0.68176758800177 |
| Secant of 28129 | 1.4667755076638 |
| Tangent of 28129 | -1.0730472449442 |
| Cotangent of 28129 | -0.93192541587675 |
| The spelling of 28129 in words is "twenty-eight thousand one hundred twenty-nine", meaning that: |
| 28129 is not an aban number (as it contains the letter a) |
| 28129 is not an eban number (as it contains the letter e) |
| 28129 is not an iban number (as it contains the letter i) |
| 28129 is not an oban number (as it contains the letter o) |
| 28129 is not a tban number (as it contains the letter t) |
| 28129 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২৮১২৯ |
| Eastern Arabic numerals | ٢٨٬١٢٩ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎇𓐂 |
| Khmer numerals | ២៨១២៩ |
| Japanese numerals | 二万八千百二十九 |
| Roman numerals | n/a |
| Thai numerals | ๒๘๑๒๙ |
| Arabic | ثمانية و عشرون ألف و مائة و تسعة و عشرون |
| Croatian | dvadeset i osam tisuća sto dvadeset i devet |
| Czech | dvacet osm tisíc sto dvacet devět |
| Danish | otte og tyve tusinde et hundrede ni og tyve |
| Dutch | achtentwintigduizend honderdnegenentwintig |
| Estonian | akpe blaeve vɔ enyi alafa ɖeka blaeve vɔ asieke |
| Faroese | tjúgoátta tusin og eitthundraðogtjúgoníggju |
| Filipino | dalawáng pû’t walóng libó’t isáng daán at dalawáng pû’t siyám |
| Finnish | kaksikymmentäkahdeksantuhattasatakaksikymmentäyhdeksän |
| French | vingt-huit mille cent vingt-neuf |
| Greek | είκοσι οκτώ χίλιάδες εκατόν είκοσι εννέα |
| German | achtundzwanzigtausendeinhundertneunundzwanzig |
| Hebrew | עשרים ושמונה אלף מאה עשרים ותשע |
| Hindi | अट्ठाईस हज़ार एक सौ उनतीस |
| Hungarian | huszonnyolcezerszázhuszonkilenc |
| Icelandic | tuttugu og átta þúsund og eitthundrað og tuttugu og níu |
| Indonesian | dua puluh delapan ribu seratus dua puluh sembilan |
| Italian | ventottomilacentoventinove |
| Japanese | 二万八千百二十九 |
| Korean | 이만 팔천백이십구 |
| Latvian | divdesmit astoņi tūkstoši simt divdesmit deviņi |
| Lithuanian | dvidešimt aštuoni tūkstančiai šimtas dvidešimt devyni |
| Norwegian | tjueåtte tusen hundre og tjueni |
| Persian | بیست و هشت هزار و صد و بیست و نه |
| Polish | dwadzieścia osiem tysięcy sto dwadzieścia dziewięć |
| Portuguese | vinte e oito mil cento e vinte e nove |
| Romanian | douăzeci şi opt mii una sută douăzeci şi nouă |
| Russian | двадцать восемь тысяч сто двадцать девять |
| Serbian | двадесет и осам хиљада сто двадесет и девет |
| Slovak | dvadsaťosem tisíc jednasto dvadsaťdeväť |
| Slovene | dvaset osem tisuću sto dvaset devet |
| Spanish | veintiocho mil ciento veintinueve |
| Swahili | elfu ishirini na nane, mia moja na ishirini na tisa |
| Swedish | tjugoåttatusenenhundratjugonio |
| Thai | สองหมื่นแปดพันหนึ่งร้อยยี่สิบเก้า |
| Turkish | yirmi sekiz bin yüz yirmi dokuz |
| Ukrainian | двадцять вісім тисяч сто двадцять девʼять |
| Vietnamese | hai mươi tám nghìn một trăm hai mươi chín |
| Number 28129 reversed | 92182 | |
| Unicode Character | U+6DE1 | 淡 |
| Unix Timestamp | Thu, 01 Jan 1970 07:48:49 +0000 | |