| Nominal | 21312 |
| Cardinal | twenty-one thousand three hundred twelve |
Cardinal twenty-one thousand three hundred twelve | |
| Ordinal | 21,312th |
| Number of digits | 5 |
| Sum of digits | 9 |
| Product of digits | 12 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 37 |
| Prime factorization in exponent form | 26 x 32 x 37 |
| Prime factors | 2, 3, 37 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 9 |
| Sum of prime factors | 42 |
| Product of prime factors | 222 |
| Is 21312 a prime number? | No |
| Is 21312 a semiprime number? | No |
| Is 21312 a Chen prime number? | No |
| Is 21312 a Mersenne prime number? | No |
| Is 21312 a Catalan number? | No |
| Is 21312 a Fibonacci number? | No |
| Is 21312 a Idoneal number? | No |
| Square of 21312 (n2) | 454201344 |
| Cube of 21312 (n3) | 9679939043328 |
| Square root of 21312 | 145.98630072716 |
| Natural Logarithm (ln) of 21312 | 9.9670255733401 |
| Decimal Logarithm (log) of 21312 | 4.3286242074902 |
| Sine of 21312 | -0.5350457952841 |
| Cosecant of 21312 | -1.8689988947002 |
| Cosine of 21312 | 0.84482305659162 |
| Secant of 21312 | 1.1836798157882 |
| Tangent of 21312 | -0.63332290840015 |
| Cotangent of 21312 | -1.578973358987 |
| The spelling of 21312 in words is "twenty-one thousand three hundred twelve", meaning that: |
| 21312 is not an aban number (as it contains the letter a) |
| 21312 is not an eban number (as it contains the letter e) |
| 21312 is an iban number (a number without the letter i) |
| 21312 is not an oban number (as it contains the letter o) |
| 21312 is not a tban number (as it contains the letter t) |
| 21312 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২১৩১২ |
| Eastern Arabic numerals | ٢١٬٣١٢ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓍤𓎆𓏻 |
| Khmer numerals | ២១៣១២ |
| Japanese numerals | 二万千三百十二 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๓๑๒ |
| Arabic | واحد و عشرون ألف و ثلاثة مائة و إثنا عشر |
| Croatian | dvadeset i jedna tisuća tristo dvanaest |
| Czech | dvacet jedna tisíc tři sta dvanáct |
| Danish | en og tyve tusinde tre hundrede tolv |
| Dutch | éénentwintigduizend driehonderd en twaalf |
| Estonian | akpe blaeve vɔ ɖekɛ alafa etɔ̃ kple wuieve |
| Faroese | tjúgoeitt tusin og trýhundraðogtólv |
| Filipino | dalawáng pû’t isáng libó’t tatlóng daán at labíng-dalawá |
| Finnish | kaksikymmentäyksituhattakolmesataakaksitoista |
| French | vingt et un mille trois cent douze |
| Greek | είκοσι μία χίλιάδες τριακόσια δώδεκα |
| German | einundzwanzigtausenddreihundertzwölf |
| Hebrew | עשרים ואחד אלף שלוש מאות ושתים עשרה |
| Hindi | इक्कीस हज़ार तीन सौ बारह |
| Hungarian | huszonegyezerháromszáztizenkettő |
| Icelandic | tuttugu og eitt þúsund og þrjúhundrað og tólf |
| Indonesian | dua puluh satu ribu tiga ratus dua belas |
| Italian | ventunomilatrecentododici |
| Japanese | 二万千三百十二 |
| Korean | 이만 천삼백십이 |
| Latvian | divdesmit viens tūkstoši trīssimt divpadsmit |
| Lithuanian | dvidešimt vienas tūkstantis trys šimtai dvylika |
| Norwegian | tjueett tusen tre hundre og tolv |
| Persian | بیست و یک هزار و سیصد و دوازده |
| Polish | dwadzieścia jeden tysięcy trzysta dwanaście |
| Portuguese | vinte e um mil trezentos e doze |
| Romanian | douăzeci şi una mii trei sute doisprezece |
| Russian | двадцать одна тысяча триста двенадцать |
| Serbian | двадесет и једна хиљада триста дванаест |
| Slovak | dvadsaťjedna tisíc tristo dvanásť |
| Slovene | dvaset ena tisuću tristo dvanajst |
| Spanish | veintiún mil trescientos doce |
| Swahili | elfu ishirini na moja, mia tatu na kumi na mbili |
| Swedish | tjugoentusentrehundratolv |
| Thai | สองหมื่นหนึ่งพันสามร้อยสิบสอง |
| Turkish | yirmi bir bin üç yüz on iki |
| Ukrainian | двадцять одна тисяча триста дванадцять |
| Vietnamese | hai mươi mốt nghìn ba trăm mười hai |
| Number 21312 reversed | 21312 | |
| Unicode Character | U+5340 | 區 |
| Unix Timestamp | Thu, 01 Jan 1970 05:55:12 +0000 | |