| Nominal | 80521 |
| Cardinal | eighty thousand five hundred twenty-one |
Cardinal eighty thousand five hundred twenty-one | |
| Ordinal | 80,521st |
| Number of digits | 5 |
| Sum of digits | 16 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 7 x 11503 |
| Prime factors | 7, 11503 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 11510 |
| Product of prime factors | 80521 |
| Is 80521 a prime number? | No |
| Is 80521 a semiprime number? | Yes |
| Is 80521 a Chen prime number? | No |
| Is 80521 a Mersenne prime number? | No |
| Is 80521 a Catalan number? | No |
| Is 80521 a Fibonacci number? | No |
| Is 80521 a Idoneal number? | No |
| Square of 80521 (n2) | 6483631441 |
| Cube of 80521 (n3) | 522068487260761 |
| Square root of 80521 | 283.76222440628 |
| Natural Logarithm (ln) of 80521 | 11.296273298951 |
| Decimal Logarithm (log) of 80521 | 4.9059091598056 |
| Sine of 80521 | 0.9173231315965 |
| Cosecant of 80521 | 1.0901284024743 |
| Cosine of 80521 | -0.39814353220665 |
| Secant of 80521 | -2.5116570259415 |
| Tangent of 80521 | -2.304001088533 |
| Cotangent of 80521 | -0.43402757271991 |
| The spelling of 80521 in words is "eighty thousand five hundred twenty-one", meaning that: |
| 80521 is not an aban number (as it contains the letter a) |
| 80521 is not an eban number (as it contains the letter e) |
| 80521 is not an iban number (as it contains the letter i) |
| 80521 is not an oban number (as it contains the letter o) |
| 80521 is not a tban number (as it contains the letter t) |
| 80521 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৮০৫২১ |
| Eastern Arabic numerals | ٨٠٬٥٢١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓍦𓎇𓏺 |
| Khmer numerals | ៨០៥២១ |
| Japanese numerals | 八万五百二十一 |
| Roman numerals | n/a |
| Thai numerals | ๘๐๕๒๑ |
| Arabic | ثمانون ألف و خمسة مائة و واحد و عشرون |
| Croatian | osamdeset tisuća petsto dvadeset i jedan |
| Czech | osmdesát tisíc pět set dvacet jeden |
| Danish | firs tusinde fem hundrede en og tyve |
| Dutch | tachtigduizend vijfhonderdéénentwintig |
| Estonian | akpe blaenyi alafa atɔ̃ blaeve vɔ ɖekɛ |
| Faroese | áttati tusin og fimmhundraðogtjúgoein |
| Filipino | walóng pû libó’t limáng daán at dalawáng pû’t isá |
| Finnish | kahdeksankymmentätuhattaviisisataakaksikymmentäyksi |
| French | quatre-vingts mille cinq cent vingt et un |
| Greek | ογδόντα χίλιάδες πεντακόσια είκοσι ένα |
| German | achtzigtausendfünfhunderteinundzwanzig |
| Hebrew | שמונים אלף חמש מאות עשרים ואחת |
| Hindi | अस्सी हज़ार पाँच सौ इक्कीस |
| Hungarian | nyolcvanezerötszázhuszonegy |
| Icelandic | áttatíu þúsund og fimmhundrað og tuttugu og einn |
| Indonesian | delapan puluh ribu lima ratus dua puluh satu |
| Italian | ottantamilacinquecentoventuno |
| Japanese | 八万五百二十一 |
| Korean | 팔만 오백이십일 |
| Latvian | astoņdesmit tūkstoši piecsimt divdesmit viens |
| Lithuanian | aštuoniasdešimt tūkstančių penki šimtai dvidešimt vienas |
| Norwegian | åtti tusen fem hundre og tjueén |
| Persian | هشتاد هزار و پانصد و بیست و یک |
| Polish | osiemdziesiąt tysięcy pięćset dwadzieścia jeden |
| Portuguese | oitenta mil quinhentos e vinte e um |
| Romanian | optzeci mii cinci sute douăzeci şi unu |
| Russian | восемьдесят тысяч пятьсот двадцать один |
| Serbian | осамдесет хиљада петсто двадесет и један |
| Slovak | osemdesiat tisíc päťsto dvadsaťjeden |
| Slovene | osemdeset tisuću petsto dvaset ena |
| Spanish | ochenta mil quinientos veintiuno |
| Swahili | elfu themanini, mia tano na ishirini na moja |
| Swedish | åttiotusenfemhundratjugoen |
| Thai | แปดหมื่นห้าร้อยยี่สิบเอ็ด |
| Turkish | seksen bin beş yüz yirmi bir |
| Ukrainian | вісімдесят тисяч пʼятсот двадцять один |
| Vietnamese | tám mươi nghìn năm trăm hai mươi mốt |
| Number 80521 reversed | 12508 | |
| Unicode Character | U+13A89 | |
| Unix Timestamp | Thu, 01 Jan 1970 22:22:01 +0000 | |