| Nominal | 990999 |
| Cardinal | nine hundred ninety thousand nine hundred ninety-nine |
Cardinal nine hundred ninety thousand nine hundred ninety-nine | |
| Ordinal | 990,999th |
| Number of digits | 6 |
| Sum of digits | 45 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 3 x 3 x 149 x 739 |
| Prime factorization in exponent form | 32 x 149 x 739 |
| Prime factors | 3, 149, 739 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 891 |
| Product of prime factors | 330333 |
| Is 990999 a prime number? | No |
| Is 990999 a semiprime number? | No |
| Is 990999 a Chen prime number? | No |
| Is 990999 a Mersenne prime number? | No |
| Is 990999 a Catalan number? | No |
| Is 990999 a Fibonacci number? | No |
| Is 990999 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111100011111000101112 |
| 3 | Ternary | 12121001012003 |
| 4 | Quaternary | 33013301134 |
| 5 | Quinary | 2232024445 |
| 6 | Senary | 331235436 |
| 7 | Septenary | 112651327 |
| 8 | Octal | 36174278 |
| 9 | Nonary | 17703509 |
| 10 | Decimal | 990999 |
| 12 | Duodecimal | 3b95b312 |
| 16 | Hexadecimal | f1f1716 |
| 20 | Vigesimal | 63h9j20 |
| 36 | Base36 | l8nr36 |
| 60 | Sexagesimal | 4ZGd60 |
| Square of 990999 (n2) | 982079018001 |
| Cube of 990999 (n3) | 973239324759972999 |
| Square root of 990999 | 995.48932691416 |
| Natural Logarithm (ln) of 990999 | 13.80646880423 |
| Decimal Logarithm (log) of 990999 | 5.9960732162464 |
| Sine of 990999 | 0.6400871040161 |
| Cosecant of 990999 | 1.5622873726493 |
| Cosine of 990999 | -0.76830234886552 |
| Secant of 990999 | -1.3015709264414 |
| Tangent of 990999 | -0.83311876497743 |
| Cotangent of 990999 | -1.2003090580094 |
| The spelling of 990999 in words is "nine hundred ninety thousand nine hundred ninety-nine", meaning that: |
| 990999 is not an aban number (as it contains the letter a) |
| 990999 is not an eban number (as it contains the letter e) |
| 990999 is not an iban number (as it contains the letter i) |
| 990999 is not an oban number (as it contains the letter o) |
| 990999 is not a tban number (as it contains the letter t) |
| 990999 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৯৯০৯৯৯ |
| Eastern Arabic numerals | ٩٩٠٬٩٩٩ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓍪𓎎𓐂 |
| Khmer numerals | ៩៩០៩៩៩ |
| Japanese numerals | 九十九万九百九十九 |
| Roman numerals | n/a |
| Thai numerals | ๙๙๐๙๙๙ |
| Arabic | تسعة مائة و تسعون ألف و تسعة مائة و تسعة و تسعون |
| Croatian | devetsto devedeset tisuća devetsto devedeset i devet |
| Czech | devět set devadesát tisíc devět set devadesát devět |
| Danish | ni hundrede halvfems tusinde ni hundrede ni og halvfems |
| Dutch | negenhonderdnegentigduizend negenhonderdnegenennegentig |
| Estonian | akpe alafa asieke kple blaasieke alafa asieke blaasieke vɔ asieke |
| Faroese | níggjuhundraðogníti tusin og níggjuhundraðognítiníggju |
| Filipino | siyám na daán at siyám na pû libó’t siyám na daán at siyám na pû’t siyám |
| Finnish | yhdeksänsataayhdeksänkymmentätuhattayhdeksänsataayhdeksänkymmentäyhdeksän |
| French | neuf cent quatre-vingt-dix mille neuf cent quatre-vingt-dix-neuf |
| Greek | εννιακόσιες εννενήντα χίλιάδες εννιακόσια εννενήντα εννέα |
| German | neunhundertneunzigtausendneunhundertneunundneunzig |
| Hebrew | תשע מאות תשעים אלף תשע מאות תשעים ותשע |
| Hindi | नौ लाख नब्बे हज़ार नौ सौ निन्यानबे |
| Hungarian | kilencszázkilencvenezerkilencszázkilencvenkilenc |
| Icelandic | níuhundrað og níutíu þúsund og níuhundrað og níutíu og níu |
| Indonesian | sembilan ratus sembilan puluh ribu sembilan ratus sembilan puluh sembilan |
| Italian | novecentonovantamilanovecentonovantanove |
| Japanese | 九十九万九百九十九 |
| Korean | 구십구만 구백구십구 |
| Latvian | deviņsimt deviņdesmit tūkstoši deviņsimt deviņdesmit deviņi |
| Lithuanian | devyni šimtai devyniasdešimt tūkstančių devyni šimtai devyniasdešimt devyni |
| Norwegian | ni hundre og nitti tusen ni hundre og nittini |
| Persian | نهصد و نود هزار و نهصد و نود و نه |
| Polish | dziewięćset dziewięćdziesiąt tysięcy dziewięćset dziewięćdziesiąt dziewięć |
| Portuguese | novecentos e noventa mil novecentos e noventa e nove |
| Romanian | nouă sute nouăzeci mii nouă sute nouăzeci şi nouă |
| Russian | девятьсот девяносто тысяч девятьсот девяносто девять |
| Serbian | деветсто деведесет хиљада деветсто деведесет и девет |
| Slovak | deväťsto deväťdesiat tisíc deväťsto deväťdesiatdeväť |
| Slovene | devetsto devetdeset tisuću devetsto devetdeset devet |
| Spanish | novecientos noventa mil novecientos noventa y nueve |
| Swahili | elfu mia tisa na tisini, mia tisa na tisini na tisa |
| Swedish | niohundranittiotusenniohundranittionio |
| Thai | เก้าแสนเก้าหมื่นเก้าร้อยเก้าสิบเก้า |
| Turkish | dokuz yüz doksan bin dokuz yüz doksan dokuz |
| Ukrainian | девʼятсот девʼяносто тисяч девʼятсот девʼяносто девʼять |
| Vietnamese | chín trăm chín mươi nghìn chín trăm chín mươi chín |
| Number 990999 reversed | 999099 | |
| Unicode Character | U+F1F17 | |
| Hexadecimal color | #990999 | |
| Unix Timestamp | Mon, 12 Jan 1970 11:16:39 +0000 | |