| Nominal | 18018 |
| Cardinal | eighteen thousand eighteen |
Cardinal eighteen thousand eighteen | |
| Ordinal | 18,018th |
| Number of digits | 5 |
| Sum of digits | 18 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 3 x 3 x 7 x 11 x 13 |
| Prime factorization in exponent form | 2 x 32 x 7 x 11 x 13 |
| Prime factors | 2, 3, 7, 11, 13 |
| Number of distinct prime factors ω(n) | 5 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 36 |
| Product of prime factors | 6006 |
| Is 18018 a prime number? | No |
| Is 18018 a semiprime number? | No |
| Is 18018 a Chen prime number? | No |
| Is 18018 a Mersenne prime number? | No |
| Is 18018 a Catalan number? | No |
| Is 18018 a Fibonacci number? | No |
| Is 18018 a Idoneal number? | No |
| Square of 18018 (n2) | 324648324 |
| Cube of 18018 (n3) | 5849513501832 |
| Square root of 18018 | 134.23114392718 |
| Natural Logarithm (ln) of 18018 | 9.7991265372114 |
| Decimal Logarithm (log) of 18018 | 4.2557065825826 |
| Sine of 18018 | -0.82269277763583 |
| Cosecant of 18018 | -1.2155205772849 |
| Cosine of 18018 | -0.56848622993512 |
| Secant of 18018 | -1.7590575590795 |
| Tangent of 18018 | 1.4471639493004 |
| Cotangent of 18018 | 0.69100671038924 |
| The spelling of 18018 in words is "eighteen thousand eighteen", meaning that: |
| 18018 is not an aban number (as it contains the letter a) |
| 18018 is not an eban number (as it contains the letter e) |
| 18018 is not an iban number (as it contains the letter i) |
| 18018 is not an oban number (as it contains the letter o) |
| 18018 is not a tban number (as it contains the letter t) |
| 18018 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৮০১৮ |
| Eastern Arabic numerals | ١٨٬٠١٨ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓐁 |
| Khmer numerals | ១៨០១៨ |
| Japanese numerals | 一万八千十八 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๐๑๘ |
| Arabic | ثمانية عشر ألف و ثمانية عشر |
| Croatian | osamnaest tisuća osamnaest |
| Czech | osmnáct tisíc osmnáct |
| Danish | atten tusinde og atten |
| Dutch | achttienduizend achttien |
| Estonian | akpe wuienyi kple wuienyi |
| Faroese | átjan tusin og átjan |
| Filipino | labíng-walóng libó’t labíng-waló |
| Finnish | kahdeksantoistatuhattakahdeksantoista |
| French | dix-huit mille dix-huit |
| Greek | δεκαοκτώ χίλιάδες δεκαοκτώ |
| German | achtzehntausendachtzehn |
| Hebrew | שמונה עשר אלף ושמונה עשרה |
| Hindi | अठारह हज़ार अठारह |
| Hungarian | tizennyolcezertizennyolc |
| Icelandic | átján þúsund og átján |
| Indonesian | delapan belas ribu delapan belas |
| Italian | diciottomiladiciotto |
| Japanese | 一万八千十八 |
| Korean | 만 팔천십팔 |
| Latvian | astoņpadsmit tūkstoši astoņpadsmit |
| Lithuanian | aštuoniolika tūkstančių aštuoniolika |
| Norwegian | atten tusen og atten |
| Persian | هجده هزار و هجده |
| Polish | osiemnaście tysięcy osiemnaście |
| Portuguese | dezoito mil e dezoito |
| Romanian | optsprezece mii optsprezece |
| Russian | восемнадцать тысяч восемнадцать |
| Serbian | осамнаест хиљада осамнаест |
| Slovak | osemnásť tisíc osemnásť |
| Slovene | asemnajst tisuću asemnajst |
| Spanish | dieciocho mil dieciocho |
| Swahili | elfu kumi na nane, kumi na nane |
| Swedish | artontusenarton |
| Thai | หนึ่งหมื่นแปดพันสิบแปด |
| Turkish | on sekiz bin on sekiz |
| Ukrainian | вісімнадцять тисяч вісімнадцять |
| Vietnamese | mười tám nghìn không trăm mười tám |
| Number 18018 reversed | 81081 | |
| Unicode Character | U+4662 | 䙢 |
| Unix Timestamp | Thu, 01 Jan 1970 05:00:18 +0000 | |