| Nominal | 21424 |
| Cardinal | twenty-one thousand four hundred twenty-four |
Cardinal twenty-one thousand four hundred twenty-four | |
| Ordinal | 21,424th |
| Number of digits | 5 |
| Sum of digits | 13 |
| Product of digits | 64 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 13 x 103 |
| Prime factorization in exponent form | 24 x 13 x 103 |
| Prime factors | 2, 13, 103 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 118 |
| Product of prime factors | 2678 |
| Is 21424 a prime number? | No |
| Is 21424 a semiprime number? | No |
| Is 21424 a Chen prime number? | No |
| Is 21424 a Mersenne prime number? | No |
| Is 21424 a Catalan number? | No |
| Is 21424 a Fibonacci number? | No |
| Is 21424 a Idoneal number? | No |
| Square of 21424 (n2) | 458987776 |
| Cube of 21424 (n3) | 9833354113024 |
| Square root of 21424 | 146.36939570826 |
| Natural Logarithm (ln) of 21424 | 9.972267067931 |
| Decimal Logarithm (log) of 21424 | 4.3309005596679 |
| Sine of 21424 | -0.99585315894666 |
| Cosecant of 21424 | -1.0041641089513 |
| Cosine of 21424 | -0.090975193409854 |
| Secant of 21424 | -10.99200740904 |
| Tangent of 21424 | 10.946425301458 |
| Cotangent of 21424 | 0.091354024027077 |
| The spelling of 21424 in words is "twenty-one thousand four hundred twenty-four", meaning that: |
| 21424 is not an aban number (as it contains the letter a) |
| 21424 is not an eban number (as it contains the letter e) |
| 21424 is an iban number (a number without the letter i) |
| 21424 is not an oban number (as it contains the letter o) |
| 21424 is not a tban number (as it contains the letter t) |
| 21424 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২১৪২৪ |
| Eastern Arabic numerals | ٢١٬٤٢٤ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓍥𓎇𓏽 |
| Khmer numerals | ២១៤២៤ |
| Japanese numerals | 二万千四百二十四 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๔๒๔ |
| Arabic | واحد و عشرون ألف و أربعة مائة و أربعة و عشرون |
| Croatian | dvadeset i jedna tisuća četiristo dvadeset i četiri |
| Czech | dvacet jedna tisíc čtyři sta dvacet čtyři |
| Danish | en og tyve tusinde fire hundrede fire og tyve |
| Dutch | éénentwintigduizend vierhonderdvierentwintig |
| Estonian | akpe blaeve vɔ ɖekɛ alafa ene blaeve vɔ ene |
| Faroese | tjúgoeitt tusin og fýrehundraðogtjúgofýre |
| Filipino | dalawáng pû’t isáng libó’t ápat na daán at dalawáng pû’t ápat |
| Finnish | kaksikymmentäyksituhattaneljäsataakaksikymmentäneljä |
| French | vingt et un mille quatre cent vingt-quatre |
| Greek | είκοσι μία χίλιάδες τετρακόσια είκοσι τέσσερα |
| German | einundzwanzigtausendvierhundertvierundzwanzig |
| Hebrew | עשרים ואחד אלף ארבע מאות עשרים וארבע |
| Hindi | इक्कीस हज़ार चार सौ चौबीस |
| Hungarian | huszonegyezernégyszázhuszonnégy |
| Icelandic | tuttugu og eitt þúsund og fjögurhundrað og tuttugu og fjórir |
| Indonesian | dua puluh satu ribu empat ratus dua puluh empat |
| Italian | ventunomilaquattrocentoventiquattro |
| Japanese | 二万千四百二十四 |
| Korean | 이만 천사백이십사 |
| Latvian | divdesmit viens tūkstoši četrsimt divdesmit četri |
| Lithuanian | dvidešimt vienas tūkstantis keturi šimtai dvidešimt keturi |
| Norwegian | tjueett tusen fire hundre og tjuefire |
| Persian | بیست و یک هزار و چهارصد و بیست و چهار |
| Polish | dwadzieścia jeden tysięcy czterysta dwadzieścia cztery |
| Portuguese | vinte e um mil quatrocentos e vinte e quatro |
| Romanian | douăzeci şi una mii patru sute douăzeci şi patru |
| Russian | двадцать одна тысяча четыреста двадцать четыре |
| Serbian | двадесет и једна хиљада четиристо двадесет и четири |
| Slovak | dvadsaťjedna tisíc štyristo dvadsaťštyri |
| Slovene | dvaset ena tisuću štiristo dvaset štiri |
| Spanish | veintiún mil cuatrocientos veinticuatro |
| Swahili | elfu ishirini na moja, mia nne na ishirini na nne |
| Swedish | tjugoentusenfyrahundratjugofyra |
| Thai | สองหมื่นหนึ่งพันสี่ร้อยยี่สิบสี่ |
| Turkish | yirmi bir bin dört yüz yirmi dört |
| Ukrainian | двадцять одна тисяча чотириста двадцять чотири |
| Vietnamese | hai mươi mốt nghìn bốn trăm hai mươi tư |
| Number 21424 reversed | 42412 | |
| Unicode Character | U+53B0 | 厰 |
| Unix Timestamp | Thu, 01 Jan 1970 05:57:04 +0000 | |