| Nominal | 13865 |
| Cardinal | thirteen thousand eight hundred sixty-five |
Cardinal thirteen thousand eight hundred sixty-five | |
| Ordinal | 13,865th |
| Number of digits | 5 |
| Sum of digits | 23 |
| Product of digits | 720 |
| Number parity | Odd |
| Prime factorization | 5 x 47 x 59 |
| Prime factors | 5, 47, 59 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 3 |
| Sum of prime factors | 111 |
| Product of prime factors | 13865 |
| Is 13865 a prime number? | No |
| Is 13865 a semiprime number? | No |
| Is 13865 a Chen prime number? | No |
| Is 13865 a Mersenne prime number? | No |
| Is 13865 a Catalan number? | No |
| Is 13865 a Fibonacci number? | No |
| Is 13865 a Idoneal number? | No |
| Square of 13865 (n2) | 192238225 |
| Cube of 13865 (n3) | 2665382989625 |
| Square root of 13865 | 117.74973460692 |
| Natural Logarithm (ln) of 13865 | 9.5371229580499 |
| Decimal Logarithm (log) of 13865 | 4.1419198739139 |
| Sine of 13865 | -0.91342437314896 |
| Cosecant of 13865 | -1.0947813846401 |
| Cosine of 13865 | -0.40700849442909 |
| Secant of 13865 | -2.4569511783844 |
| Tangent of 13865 | 2.2442390899733 |
| Cotangent of 13865 | 0.44558532309135 |
| The spelling of 13865 in words is "thirteen thousand eight hundred sixty-five", meaning that: |
| 13865 is not an aban number (as it contains the letter a) |
| 13865 is not an eban number (as it contains the letter e) |
| 13865 is not an iban number (as it contains the letter i) |
| 13865 is not an oban number (as it contains the letter o) |
| 13865 is not a tban number (as it contains the letter t) |
| 13865 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৩৮৬৫ |
| Eastern Arabic numerals | ١٣٬٨٦٥ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓍩𓎋𓏾 |
| Khmer numerals | ១៣៨៦៥ |
| Japanese numerals | 一万三千八百六十五 |
| Roman numerals | n/a |
| Thai numerals | ๑๓๘๖๕ |
| Arabic | ثلاثة عشر ألف و ثمانية مائة و خمسة و ستون |
| Croatian | trinaest tisuća osamsto šezdeset i pet |
| Czech | třináct tisíc osm set šedesát pět |
| Danish | tretten tusinde otte hundrede fem og tres |
| Dutch | dertienduizend achthonderdvijfenzestig |
| Estonian | akpe wuietɔ̃ alafa enyi blaade vɔ atɔ̃ |
| Faroese | trettan tusin og áttahundraðogsekstifimm |
| Filipino | labíng-tatlóng libó’t walóng daán at anim na pû’t limá |
| Finnish | kolmetoistatuhattakahdeksansataakuusikymmentäviisi |
| French | treize mille huit cent soixante-cinq |
| Greek | δεκατρεις χίλιάδες οκτακόσια εξήντα πέντε |
| German | dreizehntausendachthundertfünfundsechzig |
| Hebrew | שלושה עשר אלף שמונה מאות שישים וחמש |
| Hindi | तेरह हज़ार आठ सौ पैंसठ |
| Hungarian | tizenháromezernyolcszázhatvanöt |
| Icelandic | þrettán þúsund og áttahundrað og sextíu og fimm |
| Indonesian | tiga belas ribu delapan ratus enam puluh lima |
| Italian | tredicimilaottocentosessantacinque |
| Japanese | 一万三千八百六十五 |
| Korean | 만 삼천팔백육십오 |
| Latvian | trīspadsmit tūkstoši astoņsimt sešdesmit pieci |
| Lithuanian | trylika tūkstančių aštuoni šimtai šešiasdešimt penki |
| Norwegian | tretten tusen åtte hundre og sekstifem |
| Persian | سیزده هزار و هشتصد و شصت و پنج |
| Polish | trzynaście tysięcy osiemset sześćdziesiąt pięć |
| Portuguese | treze mil oitocentos e sessenta e cinco |
| Romanian | treisprezece mii opt sute şasezeci şi cinci |
| Russian | тринадцать тысяч восемьсот шестьдесят пять |
| Serbian | тринаест хиљада осамсто шездесет и пет |
| Slovak | trinásť tisíc osemsto šesťdesiatpäť |
| Slovene | trinajst tisuću osemsto šestdeset pet |
| Spanish | trece mil ochocientos sesenta y cinco |
| Swahili | elfu kumi na tatu, mia nane na sitini na tano |
| Swedish | trettontusenåttahundrasextiofem |
| Thai | หนึ่งหมื่นสามพันแปดร้อยหกสิบห้า |
| Turkish | on üç bin sekiz yüz altmış beş |
| Ukrainian | тринадцять тисяч вісімсот шістдесят пʼять |
| Vietnamese | mười ba nghìn tám trăm sáu mươi lăm |
| Number 13865 reversed | 56831 | |
| Unicode Character | U+3629 | 㘩 |
| Unix Timestamp | Thu, 01 Jan 1970 03:51:05 +0000 | |