| Nominal | 18864 |
| Cardinal | eighteen thousand eight hundred sixty-four |
Cardinal eighteen thousand eight hundred sixty-four | |
| Ordinal | 18,864th |
| Number of digits | 5 |
| Sum of digits | 27 |
| Product of digits | 1536 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 3 x 3 x 131 |
| Prime factorization in exponent form | 24 x 32 x 131 |
| Prime factors | 2, 3, 131 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 7 |
| Sum of prime factors | 136 |
| Product of prime factors | 786 |
| Is 18864 a prime number? | No |
| Is 18864 a semiprime number? | No |
| Is 18864 a Chen prime number? | No |
| Is 18864 a Mersenne prime number? | No |
| Is 18864 a Catalan number? | No |
| Is 18864 a Fibonacci number? | No |
| Is 18864 a Idoneal number? | No |
| Square of 18864 (n2) | 355850496 |
| Cube of 18864 (n3) | 6712763756544 |
| Square root of 18864 | 137.34627770712 |
| Natural Logarithm (ln) of 18864 | 9.8450106227772 |
| Decimal Logarithm (log) of 18864 | 4.275633787751 |
| Sine of 18864 | 0.95327119384657 |
| Cosecant of 18864 | 1.0490194253798 |
| Cosine of 18864 | -0.30211592308637 |
| Secant of 18864 | -3.3099877351188 |
| Tangent of 18864 | -3.1553159598742 |
| Cotangent of 18864 | -0.31692547203414 |
| The spelling of 18864 in words is "eighteen thousand eight hundred sixty-four", meaning that: |
| 18864 is not an aban number (as it contains the letter a) |
| 18864 is not an eban number (as it contains the letter e) |
| 18864 is not an iban number (as it contains the letter i) |
| 18864 is not an oban number (as it contains the letter o) |
| 18864 is not a tban number (as it contains the letter t) |
| 18864 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৮৮৬৪ |
| Eastern Arabic numerals | ١٨٬٨٦٤ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍩𓎋𓏽 |
| Khmer numerals | ១៨៨៦៤ |
| Japanese numerals | 一万八千八百六十四 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๘๖๔ |
| Arabic | ثمانية عشر ألف و ثمانية مائة و أربعة و ستون |
| Croatian | osamnaest tisuća osamsto šezdeset i četiri |
| Czech | osmnáct tisíc osm set šedesát čtyři |
| Danish | atten tusinde otte hundrede fire og tres |
| Dutch | achttienduizend achthonderdvierenzestig |
| Estonian | akpe wuienyi alafa enyi blaade vɔ ene |
| Faroese | átjan tusin og áttahundraðogsekstifýre |
| Filipino | labíng-walóng libó’t walóng daán at anim na pû’t ápat |
| Finnish | kahdeksantoistatuhattakahdeksansataakuusikymmentäneljä |
| French | dix-huit mille huit cent soixante-quatre |
| Greek | δεκαοκτώ χίλιάδες οκτακόσια εξήντα τέσσερα |
| German | achtzehntausendachthundertvierundsechzig |
| Hebrew | שמונה עשר אלף שמונה מאות שישים וארבע |
| Hindi | अठारह हज़ार आठ सौ चौंसठ |
| Hungarian | tizennyolcezernyolcszázhatvannégy |
| Icelandic | átján þúsund og áttahundrað og sextíu og fjórir |
| Indonesian | delapan belas ribu delapan ratus enam puluh empat |
| Italian | diciottomilaottocentosessantaquattro |
| Japanese | 一万八千八百六十四 |
| Korean | 만 팔천팔백육십사 |
| Latvian | astoņpadsmit tūkstoši astoņsimt sešdesmit četri |
| Lithuanian | aštuoniolika tūkstančių aštuoni šimtai šešiasdešimt keturi |
| Norwegian | atten tusen åtte hundre og sekstifire |
| Persian | هجده هزار و هشتصد و شصت و چهار |
| Polish | osiemnaście tysięcy osiemset sześćdziesiąt cztery |
| Portuguese | dezoito mil oitocentos e sessenta e quatro |
| Romanian | optsprezece mii opt sute şasezeci şi patru |
| Russian | восемнадцать тысяч восемьсот шестьдесят четыре |
| Serbian | осамнаест хиљада осамсто шездесет и четири |
| Slovak | osemnásť tisíc osemsto šesťdesiatštyri |
| Slovene | asemnajst tisuću osemsto šestdeset štiri |
| Spanish | dieciocho mil ochocientos sesenta y cuatro |
| Swahili | elfu kumi na nane, mia nane na sitini na nne |
| Swedish | artontusenåttahundrasextiofyra |
| Thai | หนึ่งหมื่นแปดพันแปดร้อยหกสิบสี่ |
| Turkish | on sekiz bin sekiz yüz altmış dört |
| Ukrainian | вісімнадцять тисяч вісімсот шістдесят чотири |
| Vietnamese | mười tám nghìn tám trăm sáu mươi tư |
| Number 18864 reversed | 46881 | |
| Unicode Character | U+49B0 | 䦰 |
| Unix Timestamp | Thu, 01 Jan 1970 05:14:24 +0000 | |