| Nominal | 18641 |
| Cardinal | eighteen thousand six hundred forty-one |
Cardinal eighteen thousand six hundred forty-one | |
| Ordinal | 18,641st |
| Number of digits | 5 |
| Sum of digits | 20 |
| Product of digits | 192 |
| Number parity | Odd |
| Prime factorization | 7 x 2663 |
| Prime factors | 7, 2663 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 2670 |
| Product of prime factors | 18641 |
| Is 18641 a prime number? | No |
| Is 18641 a semiprime number? | Yes |
| Is 18641 a Chen prime number? | No |
| Is 18641 a Mersenne prime number? | No |
| Is 18641 a Catalan number? | No |
| Is 18641 a Fibonacci number? | No |
| Is 18641 a Idoneal number? | No |
| Square of 18641 (n2) | 347486881 |
| Cube of 18641 (n3) | 6477502948721 |
| Square root of 18641 | 136.53204751999 |
| Natural Logarithm (ln) of 18641 | 9.8331187348692 |
| Decimal Logarithm (log) of 18641 | 4.2704692064532 |
| Sine of 18641 | -0.93590037280679 |
| Cosecant of 18641 | -1.0684897976918 |
| Cosine of 18641 | 0.35226480406098 |
| Secant of 18641 | 2.8387735262558 |
| Tangent of 18641 | -2.6568092015368 |
| Cotangent of 18641 | -0.37639134922506 |
| The spelling of 18641 in words is "eighteen thousand six hundred forty-one", meaning that: |
| 18641 is not an aban number (as it contains the letter a) |
| 18641 is not an eban number (as it contains the letter e) |
| 18641 is not an iban number (as it contains the letter i) |
| 18641 is not an oban number (as it contains the letter o) |
| 18641 is not a tban number (as it contains the letter t) |
| 18641 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৮৬৪১ |
| Eastern Arabic numerals | ١٨٬٦٤١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍧𓎉𓏺 |
| Khmer numerals | ១៨៦៤១ |
| Japanese numerals | 一万八千六百四十一 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๖๔๑ |
| Arabic | ثمانية عشر ألف و ستة مائة و واحد و أربعون |
| Croatian | osamnaest tisuća šeststo četrdeset i jedan |
| Czech | osmnáct tisíc šest set čtyřicet jeden |
| Danish | atten tusinde seks hundrede en og fyrre |
| Dutch | achttienduizend zeshonderdéénenveertig |
| Estonian | akpe wuienyi alafa ade blaene vɔ ɖekɛ |
| Faroese | átjan tusin og sekshundraðogfýratiein |
| Filipino | labíng-walóng libó’t anim na daán at ápat na pû’t isá |
| Finnish | kahdeksantoistatuhattakuusisataaneljäkymmentäyksi |
| French | dix-huit mille six cent quarante et un |
| Greek | δεκαοκτώ χίλιάδες εξακόσια σαράντα ένα |
| German | achtzehntausendsechshunderteinundvierzig |
| Hebrew | שמונה עשר אלף שש מאות ארבעים ואחת |
| Hindi | अठारह हज़ार छह सौ इकतालीस |
| Hungarian | tizennyolcezerhatszáznegyvenegy |
| Icelandic | átján þúsund og sexhundrað og fjörutíu og einn |
| Indonesian | delapan belas ribu enam ratus empat puluh satu |
| Italian | diciottomilaseicentoquarantuno |
| Japanese | 一万八千六百四十一 |
| Korean | 만 팔천육백사십일 |
| Latvian | astoņpadsmit tūkstoši sešsimt četrdesmit viens |
| Lithuanian | aštuoniolika tūkstančių šeši šimtai keturiasdešimt vienas |
| Norwegian | atten tusen seks hundre og førtién |
| Persian | هجده هزار و ششصد و چهل و یک |
| Polish | osiemnaście tysięcy sześćset czterdzieści jeden |
| Portuguese | dezoito mil seiscentos e quarenta e um |
| Romanian | optsprezece mii şase sute patruzeci şi unu |
| Russian | восемнадцать тысяч шестьсот сорок один |
| Serbian | осамнаест хиљада шестсто четрдесет и један |
| Slovak | osemnásť tisíc šesťsto štyridsaťjeden |
| Slovene | asemnajst tisuću šesto štirideset ena |
| Spanish | dieciocho mil seiscientos cuarenta y uno |
| Swahili | elfu kumi na nane, mia sita na arobaini na moja |
| Swedish | artontusensexhundrafyrtioen |
| Thai | หนึ่งหมื่นแปดพันหกร้อยสี่สิบเอ็ด |
| Turkish | on sekiz bin altı yüz kırk bir |
| Ukrainian | вісімнадцять тисяч шістсот сорок один |
| Vietnamese | mười tám nghìn sáu trăm bốn mươi mốt |
| Number 18641 reversed | 14681 | |
| Unicode Character | U+48D1 | 䣑 |
| Unix Timestamp | Thu, 01 Jan 1970 05:10:41 +0000 | |