| Nominal | 13643 |
| Cardinal | thirteen thousand six hundred forty-three |
Cardinal thirteen thousand six hundred forty-three | |
| Ordinal | 13,643rd |
| Number of digits | 5 |
| Sum of digits | 17 |
| Product of digits | 216 |
| Number parity | Odd |
| Prime factorization | 7 x 1949 |
| Prime factors | 7, 1949 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 1956 |
| Product of prime factors | 13643 |
| Is 13643 a prime number? | No |
| Is 13643 a semiprime number? | Yes |
| Is 13643 a Chen prime number? | No |
| Is 13643 a Mersenne prime number? | No |
| Is 13643 a Catalan number? | No |
| Is 13643 a Fibonacci number? | No |
| Is 13643 a Idoneal number? | No |
| Square of 13643 (n2) | 186131449 |
| Cube of 13643 (n3) | 2539391358707 |
| Square root of 13643 | 116.80325337935 |
| Natural Logarithm (ln) of 13643 | 9.5209818485629 |
| Decimal Logarithm (log) of 13643 | 4.1349098791319 |
| Sine of 13643 | 0.80572264651407 |
| Cosecant of 13643 | 1.2411218728013 |
| Cosine of 13643 | -0.59229301607765 |
| Secant of 13643 | -1.6883535224209 |
| Tangent of 13643 | -1.3603446683363 |
| Cotangent of 13643 | -0.73510781736145 |
| The spelling of 13643 in words is "thirteen thousand six hundred forty-three", meaning that: |
| 13643 is not an aban number (as it contains the letter a) |
| 13643 is not an eban number (as it contains the letter e) |
| 13643 is not an iban number (as it contains the letter i) |
| 13643 is not an oban number (as it contains the letter o) |
| 13643 is not a tban number (as it contains the letter t) |
| 13643 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৩৬৪৩ |
| Eastern Arabic numerals | ١٣٬٦٤٣ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓍧𓎉𓏼 |
| Khmer numerals | ១៣៦៤៣ |
| Japanese numerals | 一万三千六百四十三 |
| Roman numerals | n/a |
| Thai numerals | ๑๓๖๔๓ |
| Arabic | ثلاثة عشر ألف و ستة مائة و ثلاثة و أربعون |
| Croatian | trinaest tisuća šeststo četrdeset i tri |
| Czech | třináct tisíc šest set čtyřicet tři |
| Danish | tretten tusinde seks hundrede tre og fyrre |
| Dutch | dertienduizend zeshonderddrieenveertig |
| Estonian | akpe wuietɔ̃ alafa ade blaene vɔ etɔ̃ |
| Faroese | trettan tusin og sekshundraðogfýratitríggir |
| Filipino | labíng-tatlóng libó’t anim na daán at ápat na pû’t tatló |
| Finnish | kolmetoistatuhattakuusisataaneljäkymmentäkolme |
| French | treize mille six cent quarante-trois |
| Greek | δεκατρεις χίλιάδες εξακόσια σαράντα τρία |
| German | dreizehntausendsechshundertdreiundvierzig |
| Hebrew | שלושה עשר אלף שש מאות ארבעים ושלוש |
| Hindi | तेरह हज़ार छह सौ तैंतालीस |
| Hungarian | tizenháromezerhatszáznegyvenhárom |
| Icelandic | þrettán þúsund og sexhundrað og fjörutíu og þrír |
| Indonesian | tiga belas ribu enam ratus empat puluh tiga |
| Italian | tredicimilaseicentoquarantatre |
| Japanese | 一万三千六百四十三 |
| Korean | 만 삼천육백사십삼 |
| Latvian | trīspadsmit tūkstoši sešsimt četrdesmit trīs |
| Lithuanian | trylika tūkstančių šeši šimtai keturiasdešimt trys |
| Norwegian | tretten tusen seks hundre og førtitre |
| Persian | سیزده هزار و ششصد و چهل و سه |
| Polish | trzynaście tysięcy sześćset czterdzieści trzy |
| Portuguese | treze mil seiscentos e quarenta e três |
| Romanian | treisprezece mii şase sute patruzeci şi trei |
| Russian | тринадцать тысяч шестьсот сорок три |
| Serbian | тринаест хиљада шестсто четрдесет и три |
| Slovak | trinásť tisíc šesťsto štyridsaťtri |
| Slovene | trinajst tisuću šesto štirideset tri |
| Spanish | trece mil seiscientos cuarenta y tres |
| Swahili | elfu kumi na tatu, mia sita na arobaini na tatu |
| Swedish | trettontusensexhundrafyrtiotre |
| Thai | หนึ่งหมื่นสามพันหกร้อยสี่สิบสาม |
| Turkish | on üç bin altı yüz kırk üç |
| Ukrainian | тринадцять тисяч шістсот сорок три |
| Vietnamese | mười ba nghìn sáu trăm bốn mươi ba |
| Number 13643 reversed | 34631 | |
| Unicode Character | U+354B | 㕋 |
| Unix Timestamp | Thu, 01 Jan 1970 03:47:23 +0000 | |