| Nominal | 18961 |
| Cardinal | eighteen thousand nine hundred sixty-one |
Cardinal eighteen thousand nine hundred sixty-one | |
| Ordinal | 18,961st |
| Number of digits | 5 |
| Sum of digits | 25 |
| Product of digits | 432 |
| Number parity | Odd |
| Prime factorization | 67 x 283 |
| Prime factors | 67, 283 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 350 |
| Product of prime factors | 18961 |
| Is 18961 a prime number? | No |
| Is 18961 a semiprime number? | Yes |
| Is 18961 a Chen prime number? | No |
| Is 18961 a Mersenne prime number? | No |
| Is 18961 a Catalan number? | No |
| Is 18961 a Fibonacci number? | No |
| Is 18961 a Idoneal number? | No |
| Square of 18961 (n2) | 359519521 |
| Cube of 18961 (n3) | 6816849637681 |
| Square root of 18961 | 137.69894698218 |
| Natural Logarithm (ln) of 18961 | 9.8501395170342 |
| Decimal Logarithm (log) of 18961 | 4.2778612382251 |
| Sine of 18961 | -0.99660203918251 |
| Cosecant of 18961 | -1.0034095463223 |
| Cosine of 18961 | -0.082367320566253 |
| Secant of 18961 | -12.140737286648 |
| Tangent of 18961 | 12.099483537053 |
| Cotangent of 18961 | 0.082648155761167 |
| The spelling of 18961 in words is "eighteen thousand nine hundred sixty-one", meaning that: |
| 18961 is not an aban number (as it contains the letter a) |
| 18961 is not an eban number (as it contains the letter e) |
| 18961 is not an iban number (as it contains the letter i) |
| 18961 is not an oban number (as it contains the letter o) |
| 18961 is not a tban number (as it contains the letter t) |
| 18961 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৮৯৬১ |
| Eastern Arabic numerals | ١٨٬٩٦١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍪𓎋𓏺 |
| Khmer numerals | ១៨៩៦១ |
| Japanese numerals | 一万八千九百六十一 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๙๖๑ |
| Arabic | ثمانية عشر ألف و تسعة مائة و واحد و ستون |
| Croatian | osamnaest tisuća devetsto šezdeset i jedan |
| Czech | osmnáct tisíc devět set šedesát jeden |
| Danish | atten tusinde ni hundrede en og tres |
| Dutch | achttienduizend negenhonderdéénenzestig |
| Estonian | akpe wuienyi alafa asieke blaade vɔ ɖekɛ |
| Faroese | átjan tusin og níggjuhundraðogsekstiein |
| Filipino | labíng-walóng libó’t siyám na daán at anim na pû’t isá |
| Finnish | kahdeksantoistatuhattayhdeksänsataakuusikymmentäyksi |
| French | dix-huit mille neuf cent soixante et un |
| Greek | δεκαοκτώ χίλιάδες εννιακόσια εξήντα ένα |
| German | achtzehntausendneunhunderteinundsechzig |
| Hebrew | שמונה עשר אלף תשע מאות שישים ואחת |
| Hindi | अठारह हज़ार नौ सौ इकसठ |
| Hungarian | tizennyolcezerkilencszázhatvanegy |
| Icelandic | átján þúsund og níuhundrað og sextíu og einn |
| Indonesian | delapan belas ribu sembilan ratus enam puluh satu |
| Italian | diciottomilanovecentosessantuno |
| Japanese | 一万八千九百六十一 |
| Korean | 만 팔천구백육십일 |
| Latvian | astoņpadsmit tūkstoši deviņsimt sešdesmit viens |
| Lithuanian | aštuoniolika tūkstančių devyni šimtai šešiasdešimt vienas |
| Norwegian | atten tusen ni hundre og sekstién |
| Persian | هجده هزار و نهصد و شصت و یک |
| Polish | osiemnaście tysięcy dziewięćset sześćdziesiąt jeden |
| Portuguese | dezoito mil novecentos e sessenta e um |
| Romanian | optsprezece mii nouă sute şasezeci şi unu |
| Russian | восемнадцать тысяч девятьсот шестьдесят один |
| Serbian | осамнаест хиљада деветсто шездесет и један |
| Slovak | osemnásť tisíc deväťsto šesťdesiatjeden |
| Slovene | asemnajst tisuću devetsto šestdeset ena |
| Spanish | dieciocho mil novecientos sesenta y uno |
| Swahili | elfu kumi na nane, mia tisa na sitini na moja |
| Swedish | artontusenniohundrasextioen |
| Thai | หนึ่งหมื่นแปดพันเก้าร้อยหกสิบเอ็ด |
| Turkish | on sekiz bin dokuz yüz altmış bir |
| Ukrainian | вісімнадцять тисяч девʼятсот шістдесят один |
| Vietnamese | mười tám nghìn chín trăm sáu mươi mốt |
| Number 18961 reversed | 16981 | |
| Unicode Character | U+4A11 | 䨑 |
| Unix Timestamp | Thu, 01 Jan 1970 05:16:01 +0000 | |