| Nominal | 21264 |
| Cardinal | twenty-one thousand two hundred sixty-four |
Cardinal twenty-one thousand two hundred sixty-four | |
| Ordinal | 21,264th |
| Number of digits | 5 |
| Sum of digits | 15 |
| Product of digits | 96 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 3 x 443 |
| Prime factorization in exponent form | 24 x 3 x 443 |
| Prime factors | 2, 3, 443 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 448 |
| Product of prime factors | 2658 |
| Is 21264 a prime number? | No |
| Is 21264 a semiprime number? | No |
| Is 21264 a Chen prime number? | No |
| Is 21264 a Mersenne prime number? | No |
| Is 21264 a Catalan number? | No |
| Is 21264 a Fibonacci number? | No |
| Is 21264 a Idoneal number? | No |
| Square of 21264 (n2) | 452157696 |
| Cube of 21264 (n3) | 9614681247744 |
| Square root of 21264 | 145.82180906847 |
| Natural Logarithm (ln) of 21264 | 9.964770780953 |
| Decimal Logarithm (log) of 21264 | 4.3276449635987 |
| Sine of 21264 | 0.99154578842813 |
| Cosecant of 21264 | 1.0085262946709 |
| Cosine of 21264 | -0.12975727128155 |
| Secant of 21264 | -7.7066972056632 |
| Tangent of 21264 | -7.6415431569662 |
| Cotangent of 21264 | -0.13086362001219 |
| The spelling of 21264 in words is "twenty-one thousand two hundred sixty-four", meaning that: |
| 21264 is not an aban number (as it contains the letter a) |
| 21264 is not an eban number (as it contains the letter e) |
| 21264 is not an iban number (as it contains the letter i) |
| 21264 is not an oban number (as it contains the letter o) |
| 21264 is not a tban number (as it contains the letter t) |
| 21264 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২১২৬৪ |
| Eastern Arabic numerals | ٢١٬٢٦٤ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓍣𓎋𓏽 |
| Khmer numerals | ២១២៦៤ |
| Japanese numerals | 二万千二百六十四 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๒๖๔ |
| Arabic | واحد و عشرون ألف و مائتان و أربعة و ستون |
| Croatian | dvadeset i jedna tisuća dvjesto šezdeset i četiri |
| Czech | dvacet jedna tisíc dvě stě šedesát čtyři |
| Danish | en og tyve tusinde to hundrede fire og tres |
| Dutch | éénentwintigduizend tweehonderdvierenzestig |
| Estonian | akpe blaeve vɔ ɖekɛ alafa eve blaade vɔ ene |
| Faroese | tjúgoeitt tusin og tveyhundraðogsekstifýre |
| Filipino | dalawáng pû’t isáng libó’t dalawáng daán at anim na pû’t ápat |
| Finnish | kaksikymmentäyksituhattakaksisataakuusikymmentäneljä |
| French | vingt et un mille deux cent soixante-quatre |
| Greek | είκοσι μία χίλιάδες διακόσια εξήντα τέσσερα |
| German | einundzwanzigtausendzweihundertvierundsechzig |
| Hebrew | עשרים ואחד אלף מאתיים שישים וארבע |
| Hindi | इक्कीस हज़ार दो सौ चौंसठ |
| Hungarian | huszonegyezerkétszázhatvannégy |
| Icelandic | tuttugu og eitt þúsund og tvöhundrað og sextíu og fjórir |
| Indonesian | dua puluh satu ribu dua ratus enam puluh empat |
| Italian | ventunomiladuecentosessantaquattro |
| Japanese | 二万千二百六十四 |
| Korean | 이만 천이백육십사 |
| Latvian | divdesmit viens tūkstoši divsimt sešdesmit četri |
| Lithuanian | dvidešimt vienas tūkstantis du šimtai šešiasdešimt keturi |
| Norwegian | tjueett tusen to hundre og sekstifire |
| Persian | بیست و یک هزار و دویست و شصت و چهار |
| Polish | dwadzieścia jeden tysięcy dwieście sześćdziesiąt cztery |
| Portuguese | vinte e um mil duzentos e sessenta e quatro |
| Romanian | douăzeci şi una mii două sute şasezeci şi patru |
| Russian | двадцать одна тысяча двести шестьдесят четыре |
| Serbian | двадесет и једна хиљада двеста шездесет и четири |
| Slovak | dvadsaťjedna tisíc dvesto šesťdesiatštyri |
| Slovene | dvaset ena tisuću dvjesto šestdeset štiri |
| Spanish | veintiún mil doscientos sesenta y cuatro |
| Swahili | elfu ishirini na moja, mia mbili na sitini na nne |
| Swedish | tjugoentusentvåhundrasextiofyra |
| Thai | สองหมื่นหนึ่งพันสองร้อยหกสิบสี่ |
| Turkish | yirmi bir bin iki yüz altmış dört |
| Ukrainian | двадцять одна тисяча двісті шістдесят чотири |
| Vietnamese | hai mươi mốt nghìn hai trăm sáu mươi tư |
| Number 21264 reversed | 46212 | |
| Unicode Character | U+5310 | 匐 |
| Unix Timestamp | Thu, 01 Jan 1970 05:54:24 +0000 | |