| Nominal | 21268 |
| Cardinal | twenty-one thousand two hundred sixty-eight |
Cardinal twenty-one thousand two hundred sixty-eight | |
| Ordinal | 21,268th |
| Number of digits | 5 |
| Sum of digits | 19 |
| Product of digits | 192 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 13 x 409 |
| Prime factorization in exponent form | 22 x 13 x 409 |
| Prime factors | 2, 13, 409 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 424 |
| Product of prime factors | 10634 |
| Is 21268 a prime number? | No |
| Is 21268 a semiprime number? | No |
| Is 21268 a Chen prime number? | No |
| Is 21268 a Mersenne prime number? | No |
| Is 21268 a Catalan number? | No |
| Is 21268 a Fibonacci number? | No |
| Is 21268 a Idoneal number? | No |
| Square of 21268 (n2) | 452327824 |
| Cube of 21268 (n3) | 9620108160832 |
| Square root of 21268 | 145.83552379307 |
| Natural Logarithm (ln) of 21268 | 9.9649588746242 |
| Decimal Logarithm (log) of 21268 | 4.3277266516421 |
| Sine of 21268 | -0.54991695271 |
| Cosecant of 21268 | -1.8184563961376 |
| Cosine of 21268 | 0.83521933952833 |
| Secant of 21268 | 1.1972902837292 |
| Tangent of 21268 | -0.65841022433766 |
| Cotangent of 21268 | -1.5188099501431 |
| The spelling of 21268 in words is "twenty-one thousand two hundred sixty-eight", meaning that: |
| 21268 is not an aban number (as it contains the letter a) |
| 21268 is not an eban number (as it contains the letter e) |
| 21268 is not an iban number (as it contains the letter i) |
| 21268 is not an oban number (as it contains the letter o) |
| 21268 is not a tban number (as it contains the letter t) |
| 21268 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২১২৬৮ |
| Eastern Arabic numerals | ٢١٬٢٦٨ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓍣𓎋𓐁 |
| Khmer numerals | ២១២៦៨ |
| Japanese numerals | 二万千二百六十八 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๒๖๘ |
| Arabic | واحد و عشرون ألف و مائتان و ثمانية و ستون |
| Croatian | dvadeset i jedna tisuća dvjesto šezdeset i osam |
| Czech | dvacet jedna tisíc dvě stě šedesát osm |
| Danish | en og tyve tusinde to hundrede otte og tres |
| Dutch | éénentwintigduizend tweehonderdachtenzestig |
| Estonian | akpe blaeve vɔ ɖekɛ alafa eve blaade vɔ enyi |
| Faroese | tjúgoeitt tusin og tveyhundraðogsekstiátta |
| Filipino | dalawáng pû’t isáng libó’t dalawáng daán at anim na pû’t waló |
| Finnish | kaksikymmentäyksituhattakaksisataakuusikymmentäkahdeksan |
| French | vingt et un mille deux cent soixante-huit |
| Greek | είκοσι μία χίλιάδες διακόσια εξήντα οκτώ |
| German | einundzwanzigtausendzweihundertachtundsechzig |
| Hebrew | עשרים ואחד אלף מאתיים שישים ושמונה |
| Hindi | इक्कीस हज़ार दो सौ अड़सठ |
| Hungarian | huszonegyezerkétszázhatvannyolc |
| Icelandic | tuttugu og eitt þúsund og tvöhundrað og sextíu og átta |
| Indonesian | dua puluh satu ribu dua ratus enam puluh delapan |
| Italian | ventunomiladuecentosessantotto |
| Japanese | 二万千二百六十八 |
| Korean | 이만 천이백육십팔 |
| Latvian | divdesmit viens tūkstoši divsimt sešdesmit astoņi |
| Lithuanian | dvidešimt vienas tūkstantis du šimtai šešiasdešimt aštuoni |
| Norwegian | tjueett tusen to hundre og sekstiåtte |
| Persian | بیست و یک هزار و دویست و شصت و هشت |
| Polish | dwadzieścia jeden tysięcy dwieście sześćdziesiąt osiem |
| Portuguese | vinte e um mil duzentos e sessenta e oito |
| Romanian | douăzeci şi una mii două sute şasezeci şi opt |
| Russian | двадцать одна тысяча двести шестьдесят восемь |
| Serbian | двадесет и једна хиљада двеста шездесет и осам |
| Slovak | dvadsaťjedna tisíc dvesto šesťdesiatosem |
| Slovene | dvaset ena tisuću dvjesto šestdeset osem |
| Spanish | veintiún mil doscientos sesenta y ocho |
| Swahili | elfu ishirini na moja, mia mbili na sitini na nane |
| Swedish | tjugoentusentvåhundrasextioåtta |
| Thai | สองหมื่นหนึ่งพันสองร้อยหกสิบแปด |
| Turkish | yirmi bir bin iki yüz altmış sekiz |
| Ukrainian | двадцять одна тисяча двісті шістдесят вісім |
| Vietnamese | hai mươi mốt nghìn hai trăm sáu mươi tám |
| Number 21268 reversed | 86212 | |
| Unicode Character | U+5314 | 匔 |
| Unix Timestamp | Thu, 01 Jan 1970 05:54:28 +0000 | |