| Nominal | 991201 |
| Cardinal | nine hundred ninety-one thousand two hundred one |
Cardinal nine hundred ninety-one thousand two hundred one | |
| Ordinal | 991,201st |
| Number of digits | 6 |
| Sum of digits | 22 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 991201 |
| Prime factors | 991201 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 991201 |
| Product of prime factors | 991201 |
| Is 991201 a prime number? | Yes |
| Is 991201 a semiprime number? | No |
| Is 991201 a Chen prime number? | No |
| Is 991201 a Mersenne prime number? | No |
| Is 991201 a Catalan number? | No |
| Is 991201 a Fibonacci number? | No |
| Is 991201 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111100011111111000012 |
| 3 | Ternary | 12121002000113 |
| 4 | Quaternary | 33013332014 |
| 5 | Quinary | 2232043015 |
| 6 | Senary | 331245216 |
| 7 | Septenary | 112655417 |
| 8 | Octal | 36177418 |
| 9 | Nonary | 17706049 |
| 10 | Decimal | 991201 |
| 12 | Duodecimal | 3b974112 |
| 16 | Hexadecimal | f1fe116 |
| 20 | Vigesimal | 63i0120 |
| 36 | Base36 | l8td36 |
| 60 | Sexagesimal | 4ZK160 |
| Square of 991201 (n2) | 982479422401 |
| Cube of 991201 (n3) | 973834585963293601 |
| Square root of 991201 | 995.59077938679 |
| Natural Logarithm (ln) of 991201 | 13.806672618175 |
| Decimal Logarithm (log) of 991201 | 5.996161731518 |
| Sine of 991201 | -0.24106060731729 |
| Cosecant of 991201 | -4.1483343592666 |
| Cosine of 991201 | -0.97051006362625 |
| Secant of 991201 | -1.0303860181146 |
| Tangent of 991201 | 0.24838547929795 |
| Cotangent of 991201 | 4.0260002429548 |
| The spelling of 991201 in words is "nine hundred ninety-one thousand two hundred one", meaning that: |
| 991201 is not an aban number (as it contains the letter a) |
| 991201 is not an eban number (as it contains the letter e) |
| 991201 is not an iban number (as it contains the letter i) |
| 991201 is not an oban number (as it contains the letter o) |
| 991201 is not a tban number (as it contains the letter t) |
| 991201 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৯৯১২০১ |
| Eastern Arabic numerals | ٩٩١٬٢٠١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍣𓏺 |
| Khmer numerals | ៩៩១២០១ |
| Japanese numerals | 九十九万千二百一 |
| Roman numerals | n/a |
| Thai numerals | ๙๙๑๒๐๑ |
| Arabic | تسعة مائة و واحد و تسعون ألف و مائتان و واحد |
| Croatian | devetsto devedeset i jedna tisuća dvjesto jedan |
| Czech | devět set devadesát jedna tisíc dvě stě jeden |
| Danish | ni hundrede en og halvfems tusinde to hundrede en |
| Dutch | negenhonderdéénennegentigduizend tweehonderd en één |
| Estonian | akpe alafa asieke blaasieke vɔ ɖekɛ alafa eve kple ɖeka |
| Faroese | níggjuhundraðognítieitt tusin og tveyhundraðogein |
| Filipino | siyám na daán at siyám na pû’t isáng libó’t dalawáng daán at isá |
| Finnish | yhdeksänsataayhdeksänkymmentäyksituhattakaksisataayksi |
| French | neuf cent quatre-vingt-onze mille deux cent un |
| Greek | εννιακόσιες εννενήντα μία χίλιάδες διακόσια ένα |
| German | neunhunderteinundneunzigtausendzweihunderteins |
| Hebrew | תשע מאות תשעים ואחד אלף מאתיים ואחת |
| Hindi | नौ लाख इक्यानबे हज़ार दो सौ एक |
| Hungarian | kilencszázkilencvenegyezerkétszázegy |
| Icelandic | níuhundrað og níutíu og eitt þúsund og tvöhundrað og einn |
| Indonesian | sembilan ratus sembilan puluh satu ribu dua ratus satu |
| Italian | novecentonovant e unmiladuecentouno |
| Japanese | 九十九万千二百一 |
| Korean | 구십구만 천이백일 |
| Latvian | deviņsimt deviņdesmit viens tūkstoši divsimt viens |
| Lithuanian | devyni šimtai devyniasdešimt vienas tūkstantis du šimtai vienas |
| Norwegian | ni hundre og nittiett tusen to hundre og én |
| Persian | نهصد و نود و یک هزار و دویست و یک |
| Polish | dziewięćset dziewięćdziesiąt jeden tysięcy dwieście jeden |
| Portuguese | novecentos e noventa e um mil duzentos e um |
| Romanian | nouă sute nouăzeci şi una mii două sute unu |
| Russian | девятьсот девяносто одна тысяча двести один |
| Serbian | деветсто деведесет и једна хиљада двеста један |
| Slovak | deväťsto deväťdesiatjedna tisíc dvesto jeden |
| Slovene | devetsto devetdeset ena tisuću dvjesto ena |
| Spanish | novecientos noventa y un mil doscientos uno |
| Swahili | elfu mia tisa na tisini na moja, mia mbili na moja |
| Swedish | niohundranittioentusentvåhundraen |
| Thai | เก้าแสนเก้าหมื่นหนึ่งพันสองร้อยหนึ่ง |
| Turkish | dokuz yüz doksan bir bin iki yüz bir |
| Ukrainian | девʼятсот девʼяносто одна тисяча двісті один |
| Vietnamese | chín trăm chín mươi mốt nghìn hai trăm lẻ một |
| Number 991201 reversed | 102199 | |
| Unicode Character | U+F1FE1 | |
| Hexadecimal color | #991201 | |
| Unix Timestamp | Mon, 12 Jan 1970 11:20:01 +0000 | |