| Nominal | 401661 |
| Cardinal | four hundred one thousand six hundred sixty-one |
Cardinal four hundred one thousand six hundred sixty-one | |
| Ordinal | 401,661st |
| Number of digits | 6 |
| Sum of digits | 18 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 3 x 3 x 13 x 3433 |
| Prime factorization in exponent form | 32 x 13 x 3433 |
| Prime factors | 3, 13, 3433 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 3449 |
| Product of prime factors | 133887 |
| Is 401661 a prime number? | No |
| Is 401661 a semiprime number? | No |
| Is 401661 a Chen prime number? | No |
| Is 401661 a Mersenne prime number? | No |
| Is 401661 a Catalan number? | No |
| Is 401661 a Fibonacci number? | No |
| Is 401661 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 11000100000111111012 |
| 3 | Ternary | 2021012221003 |
| 4 | Quaternary | 12020033314 |
| 5 | Quinary | 1003231215 |
| 6 | Senary | 123353136 |
| 7 | Septenary | 32620117 |
| 8 | Octal | 14203758 |
| 9 | Nonary | 6718709 |
| 10 | Decimal | 401661 |
| 12 | Duodecimal | 17453912 |
| 16 | Hexadecimal | 620fd16 |
| 20 | Vigesimal | 2a43120 |
| 36 | Base36 | 8lx936 |
| 60 | Sexagesimal | 1pYL60 |
| Square of 401661 (n2) | 161331558921 |
| Cube of 401661 (n3) | 64800595287767781 |
| Square root of 401661 | 633.76730745598 |
| Natural Logarithm (ln) of 401661 | 12.903363728255 |
| Decimal Logarithm (log) of 401661 | 5.6038596651719 |
| Sine of 401661 | 0.86519514595308 |
| Cosecant of 401661 | 1.1558086111295 |
| Cosine of 401661 | -0.50143529933505 |
| Secant of 401661 | -1.9942752361593 |
| Tangent of 401661 | -1.7254372540194 |
| Cotangent of 401661 | -0.57956323689574 |
| The spelling of 401661 in words is "four hundred one thousand six hundred sixty-one", meaning that: |
| 401661 is not an aban number (as it contains the letter a) |
| 401661 is not an eban number (as it contains the letter e) |
| 401661 is not an iban number (as it contains the letter i) |
| 401661 is not an oban number (as it contains the letter o) |
| 401661 is not a tban number (as it contains the letter t) |
| 401661 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৪০১৬৬১ |
| Eastern Arabic numerals | ٤٠١٬٦٦١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆼𓍧𓎋𓏺 |
| Khmer numerals | ៤០១៦៦១ |
| Japanese numerals | 四十万千六百六十一 |
| Roman numerals | n/a |
| Thai numerals | ๔๐๑๖๖๑ |
| Arabic | أربعة مائة و واحد ألف و ستة مائة و واحد و ستون |
| Croatian | četiristo jedna tisuća šeststo šezdeset i jedan |
| Czech | čtyři sta jedna tisíc šest set šedesát jeden |
| Danish | fire hundrede en tusinde seks hundrede en og tres |
| Dutch | vierhonderd en duizend zeshonderdéénenzestig |
| Estonian | akpe alafa ene kple ɖeka alafa ade blaade vɔ ɖekɛ |
| Faroese | fýrehundraðogeitt tusin og sekshundraðogsekstiein |
| Filipino | ápat na daán at isáng libó’t anim na daán at anim na pû’t isá |
| Finnish | neljäsataayksituhattakuusisataakuusikymmentäyksi |
| French | quatre cent un mille six cent soixante et un |
| Greek | τετρακόσιες μία χίλιάδες εξακόσια εξήντα ένα |
| German | vierhunderteintausendsechshunderteinundsechzig |
| Hebrew | ארבע מאות ואחד אלף שש מאות שישים ואחת |
| Hindi | चार लाख एक हज़ार छह सौ इकसठ |
| Hungarian | négyszázegyezerhatszázhatvanegy |
| Icelandic | fjögurhundrað og eitt þúsund og sexhundrað og sextíu og einn |
| Indonesian | empat ratus satu ribu enam ratus enam puluh satu |
| Italian | quattrocentoun milaseicentosessantuno |
| Japanese | 四十万千六百六十一 |
| Korean | 사십만 천육백육십일 |
| Latvian | četrsimt viens tūkstoši sešsimt sešdesmit viens |
| Lithuanian | keturi šimtai vienas tūkstantis šeši šimtai šešiasdešimt vienas |
| Norwegian | fire hundre og ett tusen seks hundre og sekstién |
| Persian | چهارصد و یک هزار و ششصد و شصت و یک |
| Polish | czterysta jeden tysięcy sześćset sześćdziesiąt jeden |
| Portuguese | quatrocentos e um mil seiscentos e sessenta e um |
| Romanian | patru sute una mii şase sute şasezeci şi unu |
| Russian | четыреста одна тысяча шестьсот шестьдесят один |
| Serbian | четиристо једна хиљада шестсто шездесет и један |
| Slovak | štyristo jedna tisíc šesťsto šesťdesiatjeden |
| Slovene | štiristo ena tisuću šesto šestdeset ena |
| Spanish | cuatrocientos un mil seiscientos sesenta y uno |
| Swahili | elfu mia nne na moja, mia sita na sitini na moja |
| Swedish | fyrahundraentusensexhundrasextioen |
| Thai | สี่แสนหนึ่งพันหกร้อยหกสิบเอ็ด |
| Turkish | dört yüz bir bin altı yüz altmış bir |
| Ukrainian | чотириста одна тисяча шістсот шістдесят один |
| Vietnamese | bốn trăm lẻ một nghìn sáu trăm sáu mươi mốt |
| Number 401661 reversed | 166104 | |
| Unicode Character | U+620FD | |
| Hexadecimal color | #401661 | |
| Unix Timestamp | Mon, 05 Jan 1970 15:34:21 +0000 | |