| Nominal | 21357 |
| Cardinal | twenty-one thousand three hundred fifty-seven |
Cardinal twenty-one thousand three hundred fifty-seven | |
| Ordinal | 21,357th |
| Number of digits | 5 |
| Sum of digits | 18 |
| Product of digits | 210 |
| Number parity | Odd |
| Prime factorization | 3 x 3 x 3 x 7 x 113 |
| Prime factorization in exponent form | 33 x 7 x 113 |
| Prime factors | 3, 7, 113 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 123 |
| Product of prime factors | 2373 |
| Is 21357 a prime number? | No |
| Is 21357 a semiprime number? | No |
| Is 21357 a Chen prime number? | No |
| Is 21357 a Mersenne prime number? | No |
| Is 21357 a Catalan number? | No |
| Is 21357 a Fibonacci number? | No |
| Is 21357 a Idoneal number? | No |
| Square of 21357 (n2) | 456121449 |
| Cube of 21357 (n3) | 9741385786293 |
| Square root of 21357 | 146.14034350582 |
| Natural Logarithm (ln) of 21357 | 9.969134833772 |
| Decimal Logarithm (log) of 21357 | 4.3295402476567 |
| Sine of 21357 | 0.43779159517428 |
| Cosecant of 21357 | 2.2841918644005 |
| Cosine of 21357 | 0.89907648128219 |
| Secant of 21357 | 1.1122524288188 |
| Tangent of 21357 | 0.48693476504907 |
| Cotangent of 21357 | 2.0536631840186 |
| The spelling of 21357 in words is "twenty-one thousand three hundred fifty-seven", meaning that: |
| 21357 is not an aban number (as it contains the letter a) |
| 21357 is not an eban number (as it contains the letter e) |
| 21357 is not an iban number (as it contains the letter i) |
| 21357 is not an oban number (as it contains the letter o) |
| 21357 is not a tban number (as it contains the letter t) |
| 21357 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২১৩৫৭ |
| Eastern Arabic numerals | ٢١٬٣٥٧ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓍤𓎊𓐀 |
| Khmer numerals | ២១៣៥៧ |
| Japanese numerals | 二万千三百五十七 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๓๕๗ |
| Arabic | واحد و عشرون ألف و ثلاثة مائة و سبعة و خمسون |
| Croatian | dvadeset i jedna tisuća tristo pedeset i sedam |
| Czech | dvacet jedna tisíc tři sta padesát sedm |
| Danish | en og tyve tusinde tre hundrede syv og halvtreds |
| Dutch | éénentwintigduizend driehonderdzevenenvijftig |
| Estonian | akpe blaeve vɔ ɖekɛ alafa etɔ̃ blaatɔ̃ vɔ adre |
| Faroese | tjúgoeitt tusin og trýhundraðogfimmtisjey |
| Filipino | dalawáng pû’t isáng libó’t tatlóng daán at limáng pû’t pitó |
| Finnish | kaksikymmentäyksituhattakolmesataaviisikymmentäseitsemän |
| French | vingt et un mille trois cent cinquante-sept |
| Greek | είκοσι μία χίλιάδες τριακόσια πενήντα επτά |
| German | einundzwanzigtausenddreihundertsiebenundfünfzig |
| Hebrew | עשרים ואחד אלף שלוש מאות חמישים ושבע |
| Hindi | इक्कीस हज़ार तीन सौ सत्तावन |
| Hungarian | huszonegyezerháromszázötvenhét |
| Icelandic | tuttugu og eitt þúsund og þrjúhundrað og fimmtíu og sjó |
| Indonesian | dua puluh satu ribu tiga ratus lima puluh tujuh |
| Italian | ventunomilatrecentocinquantasette |
| Japanese | 二万千三百五十七 |
| Korean | 이만 천삼백오십칠 |
| Latvian | divdesmit viens tūkstoši trīssimt piecdesmit septiņi |
| Lithuanian | dvidešimt vienas tūkstantis trys šimtai penkiasdešimt septyni |
| Norwegian | tjueett tusen tre hundre og femtisju |
| Persian | بیست و یک هزار و سیصد و پنجاه و هفت |
| Polish | dwadzieścia jeden tysięcy trzysta pięćdziesiąt siedem |
| Portuguese | vinte e um mil trezentos e cinquenta e sete |
| Romanian | douăzeci şi una mii trei sute cincizeci şi şapte |
| Russian | двадцать одна тысяча триста пятьдесят семь |
| Serbian | двадесет и једна хиљада триста педесет и седам |
| Slovak | dvadsaťjedna tisíc tristo päťdesiatsedem |
| Slovene | dvaset ena tisuću tristo petdeset sedem |
| Spanish | veintiún mil trescientos cincuenta y siete |
| Swahili | elfu ishirini na moja, mia tatu na hamsini na saba |
| Swedish | tjugoentusentrehundrafemtiosju |
| Thai | สองหมื่นหนึ่งพันสามร้อยห้าสิบเจ็ด |
| Turkish | yirmi bir bin üç yüz elli yedi |
| Ukrainian | двадцять одна тисяча триста пʼятдесят сім |
| Vietnamese | hai mươi mốt nghìn ba trăm năm mươi bảy |
| Number 21357 reversed | 75312 | |
| Unicode Character | U+536D | 卭 |
| Unix Timestamp | Thu, 01 Jan 1970 05:55:57 +0000 | |