| Nominal | 99980 |
| Cardinal | ninety-nine thousand nine hundred eighty |
Cardinal ninety-nine thousand nine hundred eighty | |
| Ordinal | 99,980th |
| Number of digits | 5 |
| Sum of digits | 35 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 5 x 4999 |
| Prime factorization in exponent form | 22 x 5 x 4999 |
| Prime factors | 2, 5, 4999 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 5006 |
| Product of prime factors | 49990 |
| Is 99980 a prime number? | No |
| Is 99980 a semiprime number? | No |
| Is 99980 a Chen prime number? | No |
| Is 99980 a Mersenne prime number? | No |
| Is 99980 a Catalan number? | No |
| Is 99980 a Fibonacci number? | No |
| Is 99980 a Idoneal number? | No |
| Square of 99980 (n2) | 9996000400 |
| Cube of 99980 (n3) | 999400119992000 |
| Square root of 99980 | 316.19614165894 |
| Natural Logarithm (ln) of 99980 | 11.512725444968 |
| Decimal Logarithm (log) of 99980 | 4.9999131324166 |
| Sine of 99980 | 0.92695014609781 |
| Cosecant of 99980 | 1.0788066696032 |
| Cosine of 99980 | -0.37518452346711 |
| Secant of 99980 | -2.6653551451401 |
| Tangent of 99980 | -2.4706513411902 |
| Cotangent of 99980 | -0.40475156624822 |
| The spelling of 99980 in words is "ninety-nine thousand nine hundred eighty", meaning that: |
| 99980 is not an aban number (as it contains the letter a) |
| 99980 is not an eban number (as it contains the letter e) |
| 99980 is not an iban number (as it contains the letter i) |
| 99980 is not an oban number (as it contains the letter o) |
| 99980 is not a tban number (as it contains the letter t) |
| 99980 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৯৯৯৮০ |
| Eastern Arabic numerals | ٩٩٬٩٨٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍪𓎍 |
| Khmer numerals | ៩៩៩៨០ |
| Japanese numerals | 九万九千九百八十 |
| Roman numerals | n/a |
| Thai numerals | ๙๙๙๘๐ |
| Arabic | تسعة و تسعون ألف و تسعة مائة و ثمانون |
| Croatian | devedeset i devet tisuća devetsto osamdeset |
| Czech | devadesát devět tisíc devět set osmdesát |
| Danish | ni og halvfems tusinde ni hundrede firs |
| Dutch | negenennegentigduizend negenhonderdtachtig |
| Estonian | akpe blaasieke vɔ asieke alafa asieke kple blaenyi |
| Faroese | nítiníggju tusin og níggjuhundraðogáttati |
| Filipino | siyám na pû’t siyám na libó’t siyám na daán at walóng pû |
| Finnish | yhdeksänkymmentäyhdeksäntuhattayhdeksänsataakahdeksankymmentä |
| French | quatre-vingt-dix-neuf mille neuf cent quatre-vingts |
| Greek | εννενήντα εννέα χίλιάδες εννιακόσια ογδόντα |
| German | neunundneunzigtausendneunhundertachtzig |
| Hebrew | תשעים ותשעה אלף תשע מאות שמונים |
| Hindi | निन्यानबे हज़ार नौ सौ अस्सी |
| Hungarian | kilencvenkilencezerkilencszáznyolcvan |
| Icelandic | níutíu og níu þúsund og níuhundrað og áttatíu |
| Indonesian | sembilan puluh sembilan ribu sembilan ratus delapan puluh |
| Italian | novantanovemilanovecentoottanta |
| Japanese | 九万九千九百八十 |
| Korean | 구만 구천구백팔십 |
| Latvian | deviņdesmit deviņi tūkstoši deviņsimt astoņdesmit |
| Lithuanian | devyniasdešimt devyni tūkstančiai devyni šimtai aštuoniasdešimt |
| Norwegian | nittini tusen ni hundre og åtti |
| Persian | نود و نه هزار و نهصد و هشتاد |
| Polish | dziewięćdziesiąt dziewięć tysięcy dziewięćset osiemdziesiąt |
| Portuguese | noventa e nove mil novecentos e oitenta |
| Romanian | nouăzeci şi nouă mii nouă sute optzeci |
| Russian | девяносто девять тысяч девятьсот восемьдесят |
| Serbian | деведесет и девет хиљада деветсто осамдесет |
| Slovak | deväťdesiatdeväť tisíc deväťsto osemdesiat |
| Slovene | devetdeset devet tisuću devetsto osemdeset |
| Spanish | noventa y nueve mil novecientos ochenta |
| Swahili | elfu tisini na tisa, mia tisa na themanini |
| Swedish | nittioniotusenniohundraåttio |
| Thai | เก้าหมื่นเก้าพันเก้าร้อยแปดสิบ |
| Turkish | doksan dokuz bin dokuz yüz seksen |
| Ukrainian | девʼяносто девʼять тисяч девʼятсот вісімдесят |
| Vietnamese | chín mươi chín nghìn chín trăm tám mươi |
| Number 99980 reversed | 08999 | |
| Unicode Character | U+1868C | 𘚌 |
| Unix Timestamp | Fri, 02 Jan 1970 03:46:20 +0000 | |