| Nominal | 80999 |
| Cardinal | eighty thousand nine hundred ninety-nine |
Cardinal eighty thousand nine hundred ninety-nine | |
| Ordinal | 80,999th |
| Number of digits | 5 |
| Sum of digits | 35 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 107 x 757 |
| Prime factors | 107, 757 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 864 |
| Product of prime factors | 80999 |
| Is 80999 a prime number? | No |
| Is 80999 a semiprime number? | Yes |
| Is 80999 a Chen prime number? | No |
| Is 80999 a Mersenne prime number? | No |
| Is 80999 a Catalan number? | No |
| Is 80999 a Fibonacci number? | No |
| Is 80999 a Idoneal number? | No |
| Square of 80999 (n2) | 6560838001 |
| Cube of 80999 (n3) | 531421317242999 |
| Square root of 80999 | 284.60323258881 |
| Natural Logarithm (ln) of 80999 | 11.302192087899 |
| Decimal Logarithm (log) of 80999 | 4.9084796571853 |
| Sine of 80999 | 0.63142344319269 |
| Cosecant of 80999 | 1.5837232696709 |
| Cosine of 80999 | -0.77543822151522 |
| Secant of 80999 | -1.289593383785 |
| Tangent of 80999 | -0.81427949470801 |
| Cotangent of 80999 | -1.2280795556059 |
| The spelling of 80999 in words is "eighty thousand nine hundred ninety-nine", meaning that: |
| 80999 is not an aban number (as it contains the letter a) |
| 80999 is not an eban number (as it contains the letter e) |
| 80999 is not an iban number (as it contains the letter i) |
| 80999 is not an oban number (as it contains the letter o) |
| 80999 is not a tban number (as it contains the letter t) |
| 80999 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৮০৯৯৯ |
| Eastern Arabic numerals | ٨٠٬٩٩٩ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓍪𓎎𓐂 |
| Khmer numerals | ៨០៩៩៩ |
| Japanese numerals | 八万九百九十九 |
| Roman numerals | n/a |
| Thai numerals | ๘๐๙๙๙ |
| Arabic | ثمانون ألف و تسعة مائة و تسعة و تسعون |
| Croatian | osamdeset tisuća devetsto devedeset i devet |
| Czech | osmdesát tisíc devět set devadesát devět |
| Danish | firs tusinde ni hundrede ni og halvfems |
| Dutch | tachtigduizend negenhonderdnegenennegentig |
| Estonian | akpe blaenyi alafa asieke blaasieke vɔ asieke |
| Faroese | áttati tusin og níggjuhundraðognítiníggju |
| Filipino | walóng pû libó’t siyám na daán at siyám na pû’t siyám |
| Finnish | kahdeksankymmentätuhattayhdeksänsataayhdeksänkymmentäyhdeksän |
| French | quatre-vingts mille neuf cent quatre-vingt-dix-neuf |
| Greek | ογδόντα χίλιάδες εννιακόσια εννενήντα εννέα |
| German | achtzigtausendneunhundertneunundneunzig |
| Hebrew | שמונים אלף תשע מאות תשעים ותשע |
| Hindi | अस्सी हज़ार नौ सौ निन्यानबे |
| Hungarian | nyolcvanezerkilencszázkilencvenkilenc |
| Icelandic | áttatíu þúsund og níuhundrað og níutíu og níu |
| Indonesian | delapan puluh ribu sembilan ratus sembilan puluh sembilan |
| Italian | ottantamilanovecentonovantanove |
| Japanese | 八万九百九十九 |
| Korean | 팔만 구백구십구 |
| Latvian | astoņdesmit tūkstoši deviņsimt deviņdesmit deviņi |
| Lithuanian | aštuoniasdešimt tūkstančių devyni šimtai devyniasdešimt devyni |
| Norwegian | åtti tusen ni hundre og nittini |
| Persian | هشتاد هزار و نهصد و نود و نه |
| Polish | osiemdziesiąt tysięcy dziewięćset dziewięćdziesiąt dziewięć |
| Portuguese | oitenta mil novecentos e noventa e nove |
| Romanian | optzeci mii nouă sute nouăzeci şi nouă |
| Russian | восемьдесят тысяч девятьсот девяносто девять |
| Serbian | осамдесет хиљада деветсто деведесет и девет |
| Slovak | osemdesiat tisíc deväťsto deväťdesiatdeväť |
| Slovene | osemdeset tisuću devetsto devetdeset devet |
| Spanish | ochenta mil novecientos noventa y nueve |
| Swahili | elfu themanini, mia tisa na tisini na tisa |
| Swedish | åttiotusenniohundranittionio |
| Thai | แปดหมื่นเก้าร้อยเก้าสิบเก้า |
| Turkish | seksen bin dokuz yüz doksan dokuz |
| Ukrainian | вісімдесят тисяч девʼятсот девʼяносто девʼять |
| Vietnamese | tám mươi nghìn chín trăm chín mươi chín |
| Number 80999 reversed | 99908 | |
| Unicode Character | U+13C67 | |
| Unix Timestamp | Thu, 01 Jan 1970 22:29:59 +0000 | |