| Nominal | 82121 |
| Cardinal | eighty-two thousand one hundred twenty-one |
Cardinal eighty-two thousand one hundred twenty-one | |
| Ordinal | 82,121st |
| Number of digits | 5 |
| Sum of digits | 14 |
| Product of digits | 32 |
| Number parity | Odd |
| Prime factorization | 13 x 6317 |
| Prime factors | 13, 6317 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 6330 |
| Product of prime factors | 82121 |
| Is 82121 a prime number? | No |
| Is 82121 a semiprime number? | Yes |
| Is 82121 a Chen prime number? | No |
| Is 82121 a Mersenne prime number? | No |
| Is 82121 a Catalan number? | No |
| Is 82121 a Fibonacci number? | No |
| Is 82121 a Idoneal number? | No |
| Square of 82121 (n2) | 6743858641 |
| Cube of 82121 (n3) | 553812415457561 |
| Square root of 82121 | 286.56761854753 |
| Natural Logarithm (ln) of 82121 | 11.31594904836 |
| Decimal Logarithm (log) of 82121 | 4.9144542292012 |
| Sine of 82121 | -0.22989017818973 |
| Cosecant of 82121 | -4.3499031053631 |
| Cosine of 82121 | 0.97321657711523 |
| Secant of 82121 | 1.0275205165166 |
| Tangent of 82121 | -0.23621687463562 |
| Cotangent of 82121 | -4.2333978109844 |
| The spelling of 82121 in words is "eighty-two thousand one hundred twenty-one", meaning that: |
| 82121 is not an aban number (as it contains the letter a) |
| 82121 is not an eban number (as it contains the letter e) |
| 82121 is not an iban number (as it contains the letter i) |
| 82121 is not an oban number (as it contains the letter o) |
| 82121 is not a tban number (as it contains the letter t) |
| 82121 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৮২১২১ |
| Eastern Arabic numerals | ٨٢٬١٢١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓆼𓍢𓎇𓏺 |
| Khmer numerals | ៨២១២១ |
| Japanese numerals | 八万二千百二十一 |
| Roman numerals | n/a |
| Thai numerals | ๘๒๑๒๑ |
| Arabic | إثنان و ثمانون ألف و مائة و واحد و عشرون |
| Croatian | osamdeset i dvije tisuća sto dvadeset i jedan |
| Czech | osmdesát dvě tisíc sto dvacet jeden |
| Danish | to og firs tusinde et hundrede en og tyve |
| Dutch | tweeentachtigduizend honderdéénentwintig |
| Estonian | akpe blaenyi vɔ eve alafa ɖeka blaeve vɔ ɖekɛ |
| Faroese | áttatitvey tusin og eitthundraðogtjúgoein |
| Filipino | walóng pû’t dalawáng libó’t isáng daán at dalawáng pû’t isá |
| Finnish | kahdeksankymmentäkaksituhattasatakaksikymmentäyksi |
| French | quatre-vingt-deux mille cent vingt et un |
| Greek | ογδόντα δύο χίλιάδες εκατόν είκοσι ένα |
| German | zweiundachtzigtausendeinhunderteinundzwanzig |
| Hebrew | שמונים ושניים אלף מאה עשרים ואחת |
| Hindi | बयासी हज़ार एक सौ इक्कीस |
| Hungarian | nyolcvankettőezerszázhuszonegy |
| Icelandic | áttatíu og tvö þúsund og eitthundrað og tuttugu og einn |
| Indonesian | delapan puluh dua ribu seratus dua puluh satu |
| Italian | ottantaduemilacentoventuno |
| Japanese | 八万二千百二十一 |
| Korean | 팔만 이천백이십일 |
| Latvian | astoņdesmit divi tūkstoši simt divdesmit viens |
| Lithuanian | aštuoniasdešimt du tūkstančiai šimtas dvidešimt vienas |
| Norwegian | åttito tusen hundre og tjueén |
| Persian | هشتاد و دو هزار و صد و بیست و یک |
| Polish | osiemdziesiąt dwa tysiące sto dwadzieścia jeden |
| Portuguese | oitenta e dois mil cento e vinte e um |
| Romanian | optzeci şi două mii una sută douăzeci şi unu |
| Russian | восемьдесят две тысячи сто двадцать один |
| Serbian | осамдесет и две хиљада сто двадесет и један |
| Slovak | osemdesiatdve tisíc jednasto dvadsaťjeden |
| Slovene | osemdeset dvije tisuću sto dvaset ena |
| Spanish | ochenta y dos mil ciento veintiuno |
| Swahili | elfu themanini na mbili, mia moja na ishirini na moja |
| Swedish | åttiotvåtusenenhundratjugoen |
| Thai | แปดหมื่นสองพันหนึ่งร้อยยี่สิบเอ็ด |
| Turkish | seksen iki bin yüz yirmi bir |
| Ukrainian | вісімдесят дві тисячі сто двадцять один |
| Vietnamese | tám mươi hai nghìn một trăm hai mươi mốt |
| Number 82121 reversed | 12128 | |
| Unicode Character | U+140C9 | |
| Unix Timestamp | Thu, 01 Jan 1970 22:48:41 +0000 | |