| Nominal | 21648 |
| Cardinal | twenty-one thousand six hundred forty-eight |
Cardinal twenty-one thousand six hundred forty-eight | |
| Ordinal | 21,648th |
| Number of digits | 5 |
| Sum of digits | 21 |
| Product of digits | 384 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 3 x 11 x 41 |
| Prime factorization in exponent form | 24 x 3 x 11 x 41 |
| Prime factors | 2, 3, 11, 41 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 7 |
| Sum of prime factors | 57 |
| Product of prime factors | 2706 |
| Is 21648 a prime number? | No |
| Is 21648 a semiprime number? | No |
| Is 21648 a Chen prime number? | No |
| Is 21648 a Mersenne prime number? | No |
| Is 21648 a Catalan number? | No |
| Is 21648 a Fibonacci number? | No |
| Is 21648 a Idoneal number? | No |
| Square of 21648 (n2) | 468635904 |
| Cube of 21648 (n3) | 10145030049792 |
| Square root of 21648 | 147.132593262 |
| Natural Logarithm (ln) of 21648 | 9.9826683504106 |
| Decimal Logarithm (log) of 21648 | 4.3354177792535 |
| Sine of 21648 | 0.65559920914348 |
| Cosecant of 21648 | 1.5253221572773 |
| Cosine of 21648 | -0.75510904972093 |
| Secant of 21648 | -1.3243120319768 |
| Tangent of 21648 | -0.86821792082318 |
| Cotangent of 21648 | -1.1517845646999 |
| The spelling of 21648 in words is "twenty-one thousand six hundred forty-eight", meaning that: |
| 21648 is not an aban number (as it contains the letter a) |
| 21648 is not an eban number (as it contains the letter e) |
| 21648 is not an iban number (as it contains the letter i) |
| 21648 is not an oban number (as it contains the letter o) |
| 21648 is not a tban number (as it contains the letter t) |
| 21648 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২১৬৪৮ |
| Eastern Arabic numerals | ٢١٬٦٤٨ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓍧𓎉𓐁 |
| Khmer numerals | ២១៦៤៨ |
| Japanese numerals | 二万千六百四十八 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๖๔๘ |
| Arabic | واحد و عشرون ألف و ستة مائة و ثمانية و أربعون |
| Croatian | dvadeset i jedna tisuća šeststo četrdeset i osam |
| Czech | dvacet jedna tisíc šest set čtyřicet osm |
| Danish | en og tyve tusinde seks hundrede otte og fyrre |
| Dutch | éénentwintigduizend zeshonderdachtenveertig |
| Estonian | akpe blaeve vɔ ɖekɛ alafa ade blaene vɔ enyi |
| Faroese | tjúgoeitt tusin og sekshundraðogfýratiátta |
| Filipino | dalawáng pû’t isáng libó’t anim na daán at ápat na pû’t waló |
| Finnish | kaksikymmentäyksituhattakuusisataaneljäkymmentäkahdeksan |
| French | vingt et un mille six cent quarante-huit |
| Greek | είκοσι μία χίλιάδες εξακόσια σαράντα οκτώ |
| German | einundzwanzigtausendsechshundertachtundvierzig |
| Hebrew | עשרים ואחד אלף שש מאות ארבעים ושמונה |
| Hindi | इक्कीस हज़ार छह सौ अड़तालीस |
| Hungarian | huszonegyezerhatszáznegyvennyolc |
| Icelandic | tuttugu og eitt þúsund og sexhundrað og fjörutíu og átta |
| Indonesian | dua puluh satu ribu enam ratus empat puluh delapan |
| Italian | ventunomilaseicentoquarantotto |
| Japanese | 二万千六百四十八 |
| Korean | 이만 천육백사십팔 |
| Latvian | divdesmit viens tūkstoši sešsimt četrdesmit astoņi |
| Lithuanian | dvidešimt vienas tūkstantis šeši šimtai keturiasdešimt aštuoni |
| Norwegian | tjueett tusen seks hundre og førtiåtte |
| Persian | بیست و یک هزار و ششصد و چهل و هشت |
| Polish | dwadzieścia jeden tysięcy sześćset czterdzieści osiem |
| Portuguese | vinte e um mil seiscentos e quarenta e oito |
| Romanian | douăzeci şi una mii şase sute patruzeci şi opt |
| Russian | двадцать одна тысяча шестьсот сорок восемь |
| Serbian | двадесет и једна хиљада шестсто четрдесет и осам |
| Slovak | dvadsaťjedna tisíc šesťsto štyridsaťosem |
| Slovene | dvaset ena tisuću šesto štirideset osem |
| Spanish | veintiún mil seiscientos cuarenta y ocho |
| Swahili | elfu ishirini na moja, mia sita na arobaini na nane |
| Swedish | tjugoentusensexhundrafyrtioåtta |
| Thai | สองหมื่นหนึ่งพันหกร้อยสี่สิบแปด |
| Turkish | yirmi bir bin altı yüz kırk sekiz |
| Ukrainian | двадцять одна тисяча шістсот сорок вісім |
| Vietnamese | hai mươi mốt nghìn sáu trăm bốn mươi tám |
| Number 21648 reversed | 84612 | |
| Unicode Character | U+5490 | 咐 |
| Unix Timestamp | Thu, 01 Jan 1970 06:00:48 +0000 | |