| Nominal | 18668 |
| Cardinal | eighteen thousand six hundred sixty-eight |
Cardinal eighteen thousand six hundred sixty-eight | |
| Ordinal | 18,668th |
| Number of digits | 5 |
| Sum of digits | 29 |
| Product of digits | 2304 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 13 x 359 |
| Prime factorization in exponent form | 22 x 13 x 359 |
| Prime factors | 2, 13, 359 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 374 |
| Product of prime factors | 9334 |
| Is 18668 a prime number? | No |
| Is 18668 a semiprime number? | No |
| Is 18668 a Chen prime number? | No |
| Is 18668 a Mersenne prime number? | No |
| Is 18668 a Catalan number? | No |
| Is 18668 a Fibonacci number? | No |
| Is 18668 a Idoneal number? | No |
| Square of 18668 (n2) | 348494224 |
| Cube of 18668 (n3) | 6505690173632 |
| Square root of 18668 | 136.63088962603 |
| Natural Logarithm (ln) of 18668 | 9.8345661070697 |
| Decimal Logarithm (log) of 18668 | 4.2710977922131 |
| Sine of 18668 | 0.61031039903338 |
| Cosecant of 18668 | 1.638510504792 |
| Cosine of 18668 | 0.79216236771998 |
| Secant of 18668 | 1.2623674649911 |
| Tangent of 18668 | 0.77043599128546 |
| Cotangent of 18668 | 1.2979663610101 |
| The spelling of 18668 in words is "eighteen thousand six hundred sixty-eight", meaning that: |
| 18668 is not an aban number (as it contains the letter a) |
| 18668 is not an eban number (as it contains the letter e) |
| 18668 is not an iban number (as it contains the letter i) |
| 18668 is not an oban number (as it contains the letter o) |
| 18668 is not a tban number (as it contains the letter t) |
| 18668 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৮৬৬৮ |
| Eastern Arabic numerals | ١٨٬٦٦٨ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍧𓎋𓐁 |
| Khmer numerals | ១៨៦៦៨ |
| Japanese numerals | 一万八千六百六十八 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๖๖๘ |
| Arabic | ثمانية عشر ألف و ستة مائة و ثمانية و ستون |
| Croatian | osamnaest tisuća šeststo šezdeset i osam |
| Czech | osmnáct tisíc šest set šedesát osm |
| Danish | atten tusinde seks hundrede otte og tres |
| Dutch | achttienduizend zeshonderdachtenzestig |
| Estonian | akpe wuienyi alafa ade blaade vɔ enyi |
| Faroese | átjan tusin og sekshundraðogsekstiátta |
| Filipino | labíng-walóng libó’t anim na daán at anim na pû’t waló |
| Finnish | kahdeksantoistatuhattakuusisataakuusikymmentäkahdeksan |
| French | dix-huit mille six cent soixante-huit |
| Greek | δεκαοκτώ χίλιάδες εξακόσια εξήντα οκτώ |
| German | achtzehntausendsechshundertachtundsechzig |
| Hebrew | שמונה עשר אלף שש מאות שישים ושמונה |
| Hindi | अठारह हज़ार छह सौ अड़सठ |
| Hungarian | tizennyolcezerhatszázhatvannyolc |
| Icelandic | átján þúsund og sexhundrað og sextíu og átta |
| Indonesian | delapan belas ribu enam ratus enam puluh delapan |
| Italian | diciottomilaseicentosessantotto |
| Japanese | 一万八千六百六十八 |
| Korean | 만 팔천육백육십팔 |
| Latvian | astoņpadsmit tūkstoši sešsimt sešdesmit astoņi |
| Lithuanian | aštuoniolika tūkstančių šeši šimtai šešiasdešimt aštuoni |
| Norwegian | atten tusen seks hundre og sekstiåtte |
| Persian | هجده هزار و ششصد و شصت و هشت |
| Polish | osiemnaście tysięcy sześćset sześćdziesiąt osiem |
| Portuguese | dezoito mil seiscentos e sessenta e oito |
| Romanian | optsprezece mii şase sute şasezeci şi opt |
| Russian | восемнадцать тысяч шестьсот шестьдесят восемь |
| Serbian | осамнаест хиљада шестсто шездесет и осам |
| Slovak | osemnásť tisíc šesťsto šesťdesiatosem |
| Slovene | asemnajst tisuću šesto šestdeset osem |
| Spanish | dieciocho mil seiscientos sesenta y ocho |
| Swahili | elfu kumi na nane, mia sita na sitini na nane |
| Swedish | artontusensexhundrasextioåtta |
| Thai | หนึ่งหมื่นแปดพันหกร้อยหกสิบแปด |
| Turkish | on sekiz bin altı yüz altmış sekiz |
| Ukrainian | вісімнадцять тисяч шістсот шістдесят вісім |
| Vietnamese | mười tám nghìn sáu trăm sáu mươi tám |
| Number 18668 reversed | 86681 | |
| Unicode Character | U+48EC | 䣬 |
| Unix Timestamp | Thu, 01 Jan 1970 05:11:08 +0000 | |