| Nominal | 999980 |
| Cardinal | nine hundred ninety-nine thousand nine hundred eighty |
Cardinal nine hundred ninety-nine thousand nine hundred eighty | |
| Ordinal | 999,980th |
| Number of digits | 6 |
| Sum of digits | 44 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 5 x 49999 |
| Prime factorization in exponent form | 22 x 5 x 49999 |
| Prime factors | 2, 5, 49999 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 50006 |
| Product of prime factors | 499990 |
| Is 999980 a prime number? | No |
| Is 999980 a semiprime number? | No |
| Is 999980 a Chen prime number? | No |
| Is 999980 a Mersenne prime number? | No |
| Is 999980 a Catalan number? | No |
| Is 999980 a Fibonacci number? | No |
| Is 999980 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111101000010001011002 |
| 3 | Ternary | 12122102010223 |
| 4 | Quaternary | 33100202304 |
| 5 | Quinary | 2234444105 |
| 6 | Senary | 332333126 |
| 7 | Septenary | 113332527 |
| 8 | Octal | 36410548 |
| 9 | Nonary | 17836389 |
| 10 | Decimal | 999980 |
| 12 | Duodecimal | 40283812 |
| 16 | Hexadecimal | f422c16 |
| 20 | Vigesimal | 64jj020 |
| 36 | Base36 | lfl836 |
| 60 | Sexagesimal | 4bkK60 |
| Square of 999980 (n2) | 999960000400 |
| Cube of 999980 (n3) | 999940001199992000 |
| Square root of 999980 | 999.98999995 |
| Natural Logarithm (ln) of 999980 | 13.815490557764 |
| Decimal Logarithm (log) of 999980 | 5.9999913140235 |
| Sine of 999980 | -0.99802947592774 |
| Cosecant of 999980 | -1.001974414704 |
| Cosine of 999980 | 0.062746834018996 |
| Secant of 999980 | 15.937059066554 |
| Tangent of 999980 | -15.905654708022 |
| Cotangent of 999980 | -0.06287072229071 |
| The spelling of 999980 in words is "nine hundred ninety-nine thousand nine hundred eighty", meaning that: |
| 999980 is not an aban number (as it contains the letter a) |
| 999980 is not an eban number (as it contains the letter e) |
| 999980 is not an iban number (as it contains the letter i) |
| 999980 is not an oban number (as it contains the letter o) |
| 999980 is not a tban number (as it contains the letter t) |
| 999980 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৯৯৯৯৮০ |
| Eastern Arabic numerals | ٩٩٩٬٩٨٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍪𓎍 |
| Khmer numerals | ៩៩៩៩៨០ |
| Japanese numerals | 九十九万九千九百八十 |
| Roman numerals | n/a |
| Thai numerals | ๙๙๙๙๘๐ |
| Arabic | تسعة مائة و تسعة و تسعون ألف و تسعة مائة و ثمانون |
| Croatian | devetsto devedeset i devet tisuća devetsto osamdeset |
| Czech | devět set devadesát devět tisíc devět set osmdesát |
| Danish | ni hundrede ni og halvfems tusinde ni hundrede firs |
| Dutch | negenhonderdnegenennegentigduizend negenhonderdtachtig |
| Estonian | akpe alafa asieke blaasieke vɔ asieke alafa asieke kple blaenyi |
| Faroese | níggjuhundraðognítiníggju tusin og níggjuhundraðogáttati |
| Filipino | siyám na daán at siyám na pû’t siyám na libó’t siyám na daán at walóng pû |
| Finnish | yhdeksänsataayhdeksänkymmentäyhdeksäntuhattayhdeksänsataakahdeksankymmentä |
| French | neuf cent quatre-vingt-dix-neuf mille neuf cent quatre-vingts |
| Greek | εννιακόσιες εννενήντα εννέα χίλιάδες εννιακόσια ογδόντα |
| German | neunhundertneunundneunzigtausendneunhundertachtzig |
| Hebrew | תשע מאות תשעים ותשעה אלף תשע מאות שמונים |
| Hindi | नौ लाख निन्यानबे हज़ार नौ सौ अस्सी |
| Hungarian | kilencszázkilencvenkilencezerkilencszáznyolcvan |
| Icelandic | níuhundrað og níutíu og níu þúsund og níuhundrað og áttatíu |
| Indonesian | sembilan ratus sembilan puluh sembilan ribu sembilan ratus delapan puluh |
| Italian | novecentonovantanovemilanovecentoottanta |
| Japanese | 九十九万九千九百八十 |
| Korean | 구십구만 구천구백팔십 |
| Latvian | deviņsimt deviņdesmit deviņi tūkstoši deviņsimt astoņdesmit |
| Lithuanian | devyni šimtai devyniasdešimt devyni tūkstančiai devyni šimtai aštuoniasdešimt |
| Norwegian | ni hundre og nittini tusen ni hundre og åtti |
| Persian | نهصد و نود و نه هزار و نهصد و هشتاد |
| Polish | dziewięćset dziewięćdziesiąt dziewięć tysięcy dziewięćset osiemdziesiąt |
| Portuguese | novecentos e noventa e nove mil novecentos e oitenta |
| Romanian | nouă sute nouăzeci şi nouă mii nouă sute optzeci |
| Russian | девятьсот девяносто девять тысяч девятьсот восемьдесят |
| Serbian | деветсто деведесет и девет хиљада деветсто осамдесет |
| Slovak | deväťsto deväťdesiatdeväť tisíc deväťsto osemdesiat |
| Slovene | devetsto devetdeset devet tisuću devetsto osemdeset |
| Spanish | novecientos noventa y nueve mil novecientos ochenta |
| Swahili | elfu mia tisa na tisini na tisa, mia tisa na themanini |
| Swedish | niohundranittioniotusenniohundraåttio |
| Thai | เก้าแสนเก้าหมื่นเก้าพันเก้าร้อยแปดสิบ |
| Turkish | dokuz yüz doksan dokuz bin dokuz yüz seksen |
| Ukrainian | девʼятсот девʼяносто девʼять тисяч девʼятсот вісімдесят |
| Vietnamese | chín trăm chín mươi chín nghìn chín trăm tám mươi |
| Number 999980 reversed | 089999 | |
| Unicode Character | U+F422C | |
| Hexadecimal color | #999980 | |
| Unix Timestamp | Mon, 12 Jan 1970 13:46:20 +0000 | |