| Nominal | 20345 |
| Cardinal | twenty thousand three hundred forty-five |
Cardinal twenty thousand three hundred forty-five | |
| Ordinal | 20,345th |
| Number of digits | 5 |
| Sum of digits | 14 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 5 x 13 x 313 |
| Prime factors | 5, 13, 313 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 3 |
| Sum of prime factors | 331 |
| Product of prime factors | 20345 |
| Is 20345 a prime number? | No |
| Is 20345 a semiprime number? | No |
| Is 20345 a Chen prime number? | No |
| Is 20345 a Mersenne prime number? | No |
| Is 20345 a Catalan number? | No |
| Is 20345 a Fibonacci number? | No |
| Is 20345 a Idoneal number? | No |
| Square of 20345 (n2) | 413919025 |
| Cube of 20345 (n3) | 8421182563625 |
| Square root of 20345 | 142.63590010933 |
| Natural Logarithm (ln) of 20345 | 9.9205904604358 |
| Decimal Logarithm (log) of 20345 | 4.3084576941893 |
| Sine of 20345 | 0.045959157607086 |
| Cosecant of 20345 | 21.758449285542 |
| Cosine of 20345 | 0.99894331962932 |
| Secant of 20345 | 1.0010577981252 |
| Tangent of 20345 | 0.046007773117838 |
| Cotangent of 20345 | 21.735457559285 |
| The spelling of 20345 in words is "twenty thousand three hundred forty-five", meaning that: |
| 20345 is not an aban number (as it contains the letter a) |
| 20345 is not an eban number (as it contains the letter e) |
| 20345 is not an iban number (as it contains the letter i) |
| 20345 is not an oban number (as it contains the letter o) |
| 20345 is not a tban number (as it contains the letter t) |
| 20345 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২০৩৪৫ |
| Eastern Arabic numerals | ٢٠٬٣٤٥ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓍤𓎉𓏾 |
| Khmer numerals | ២០៣៤៥ |
| Japanese numerals | 二万三百四十五 |
| Roman numerals | n/a |
| Thai numerals | ๒๐๓๔๕ |
| Arabic | عشرون ألف و ثلاثة مائة و خمسة و أربعون |
| Croatian | dvadeset tisuća tristo četrdeset i pet |
| Czech | dvacet tisíc tři sta čtyřicet pět |
| Danish | tyve tusinde tre hundrede fem og fyrre |
| Dutch | twintigduizend driehonderdvijfenveertig |
| Estonian | akpe blaeve alafa etɔ̃ blaene vɔ atɔ̃ |
| Faroese | tjúgo tusin og trýhundraðogfýratifimm |
| Filipino | dalawáng pû libó’t tatlóng daán at ápat na pû’t limá |
| Finnish | kaksikymmentätuhattakolmesataaneljäkymmentäviisi |
| French | vingt mille trois cent quarante-cinq |
| Greek | είκοσι χίλιάδες τριακόσια σαράντα πέντε |
| German | zwanzigtausenddreihundertfünfundvierzig |
| Hebrew | עשרים אלף שלוש מאות ארבעים וחמש |
| Hindi | बीस हज़ार तीन सौ पैंतालीस |
| Hungarian | húszezerháromszáznegyvenöt |
| Icelandic | tuttugu þúsund og þrjúhundrað og fjörutíu og fimm |
| Indonesian | dua puluh ribu tiga ratus empat puluh lima |
| Italian | ventimilatrecentoquarantacinque |
| Japanese | 二万三百四十五 |
| Korean | 이만 삼백사십오 |
| Latvian | divdesmit tūkstoši trīssimt četrdesmit pieci |
| Lithuanian | dvidešimt tūkstančių trys šimtai keturiasdešimt penki |
| Norwegian | tjue tusen tre hundre og førtifem |
| Persian | بیست هزار و سیصد و چهل و پنج |
| Polish | dwadzieścia tysięcy trzysta czterdzieści pięć |
| Portuguese | vinte mil trezentos e quarenta e cinco |
| Romanian | douăzeci mii trei sute patruzeci şi cinci |
| Russian | двадцать тысяч триста сорок пять |
| Serbian | двадесет хиљада триста четрдесет и пет |
| Slovak | dvadsať tisíc tristo štyridsaťpäť |
| Slovene | dvaset tisuću tristo štirideset pet |
| Spanish | veinte mil trescientos cuarenta y cinco |
| Swahili | elfu ishirini, mia tatu na arobaini na tano |
| Swedish | tjugotusentrehundrafyrtiofem |
| Thai | สองหมื่นสามร้อยสี่สิบห้า |
| Turkish | yirmi bin üç yüz kırk beş |
| Ukrainian | двадцять тисяч триста сорок пʼять |
| Vietnamese | hai mươi nghìn ba trăm bốn mươi lăm |
| Number 20345 reversed | 54302 | |
| Unicode Character | U+4F79 | 佹 |
| Unix Timestamp | Thu, 01 Jan 1970 05:39:05 +0000 | |