| Nominal | 20897 |
| Cardinal | twenty thousand eight hundred ninety-seven |
Cardinal twenty thousand eight hundred ninety-seven | |
| Ordinal | 20,897th |
| Number of digits | 5 |
| Sum of digits | 26 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 20897 |
| Prime factors | 20897 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 20897 |
| Product of prime factors | 20897 |
| Is 20897 a prime number? | Yes |
| Is 20897 a semiprime number? | No |
| Is 20897 a Chen prime number? | Yes |
| Is 20897 a Mersenne prime number? | No |
| Is 20897 a Catalan number? | No |
| Is 20897 a Fibonacci number? | No |
| Is 20897 a Idoneal number? | No |
| Square of 20897 (n2) | 436684609 |
| Cube of 20897 (n3) | 9125398274273 |
| Square root of 20897 | 144.55794685869 |
| Natural Logarithm (ln) of 20897 | 9.9473608869801 |
| Decimal Logarithm (log) of 20897 | 4.3200839427157 |
| Sine of 20897 | -0.76711493938931 |
| Cosecant of 20897 | -1.3035856149485 |
| Cosine of 20897 | 0.64150968018085 |
| Secant of 20897 | 1.5588229311179 |
| Tangent of 20897 | -1.1957963583231 |
| Cotangent of 20897 | -0.83626279093397 |
| The spelling of 20897 in words is "twenty thousand eight hundred ninety-seven", meaning that: |
| 20897 is not an aban number (as it contains the letter a) |
| 20897 is not an eban number (as it contains the letter e) |
| 20897 is not an iban number (as it contains the letter i) |
| 20897 is not an oban number (as it contains the letter o) |
| 20897 is not a tban number (as it contains the letter t) |
| 20897 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২০৮৯৭ |
| Eastern Arabic numerals | ٢٠٬٨٩٧ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓍩𓎎𓐀 |
| Khmer numerals | ២០៨៩៧ |
| Japanese numerals | 二万八百九十七 |
| Roman numerals | n/a |
| Thai numerals | ๒๐๘๙๗ |
| Arabic | عشرون ألف و ثمانية مائة و سبعة و تسعون |
| Croatian | dvadeset tisuća osamsto devedeset i sedam |
| Czech | dvacet tisíc osm set devadesát sedm |
| Danish | tyve tusinde otte hundrede syv og halvfems |
| Dutch | twintigduizend achthonderdzevenennegentig |
| Estonian | akpe blaeve alafa enyi blaasieke vɔ adre |
| Faroese | tjúgo tusin og áttahundraðognítisjey |
| Filipino | dalawáng pû libó’t walóng daán at siyám na pû’t pitó |
| Finnish | kaksikymmentätuhattakahdeksansataayhdeksänkymmentäseitsemän |
| French | vingt mille huit cent quatre-vingt-dix-sept |
| Greek | είκοσι χίλιάδες οκτακόσια εννενήντα επτά |
| German | zwanzigtausendachthundertsiebenundneunzig |
| Hebrew | עשרים אלף שמונה מאות תשעים ושבע |
| Hindi | बीस हज़ार आठ सौ सत्तानबे |
| Hungarian | húszezernyolcszázkilencvenhét |
| Icelandic | tuttugu þúsund og áttahundrað og níutíu og sjó |
| Indonesian | dua puluh ribu delapan ratus sembilan puluh tujuh |
| Italian | ventimilaottocentonovantasette |
| Japanese | 二万八百九十七 |
| Korean | 이만 팔백구십칠 |
| Latvian | divdesmit tūkstoši astoņsimt deviņdesmit septiņi |
| Lithuanian | dvidešimt tūkstančių aštuoni šimtai devyniasdešimt septyni |
| Norwegian | tjue tusen åtte hundre og nittisju |
| Persian | بیست هزار و هشتصد و نود و هفت |
| Polish | dwadzieścia tysięcy osiemset dziewięćdziesiąt siedem |
| Portuguese | vinte mil oitocentos e noventa e sete |
| Romanian | douăzeci mii opt sute nouăzeci şi şapte |
| Russian | двадцать тысяч восемьсот девяносто семь |
| Serbian | двадесет хиљада осамсто деведесет и седам |
| Slovak | dvadsať tisíc osemsto deväťdesiatsedem |
| Slovene | dvaset tisuću osemsto devetdeset sedem |
| Spanish | veinte mil ochocientos noventa y siete |
| Swahili | elfu ishirini, mia nane na tisini na saba |
| Swedish | tjugotusenåttahundranittiosju |
| Thai | สองหมื่นแปดร้อยเก้าสิบเจ็ด |
| Turkish | yirmi bin sekiz yüz doksan yedi |
| Ukrainian | двадцять тисяч вісімсот девʼяносто сім |
| Vietnamese | hai mươi nghìn tám trăm chín mươi bảy |
| Number 20897 reversed | 79802 | |
| Unicode Character | U+51A1 | 冡 |
| Unix Timestamp | Thu, 01 Jan 1970 05:48:17 +0000 | |