| Nominal | 40981 |
| Cardinal | forty thousand nine hundred eighty-one |
Cardinal forty thousand nine hundred eighty-one | |
| Ordinal | 40,981st |
| Number of digits | 5 |
| Sum of digits | 22 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 107 x 383 |
| Prime factors | 107, 383 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 490 |
| Product of prime factors | 40981 |
| Is 40981 a prime number? | No |
| Is 40981 a semiprime number? | Yes |
| Is 40981 a Chen prime number? | No |
| Is 40981 a Mersenne prime number? | No |
| Is 40981 a Catalan number? | No |
| Is 40981 a Fibonacci number? | No |
| Is 40981 a Idoneal number? | No |
| Square of 40981 (n2) | 1679442361 |
| Cube of 40981 (n3) | 68825227396141 |
| Square root of 40981 | 202.43764472054 |
| Natural Logarithm (ln) of 40981 | 10.620863823643 |
| Decimal Logarithm (log) of 40981 | 4.6125825516538 |
| Sine of 40981 | 0.88014429360967 |
| Cosecant of 40981 | 1.1361773373531 |
| Cosine of 40981 | -0.47470624856466 |
| Secant of 40981 | -2.1065659089671 |
| Tangent of 40981 | -1.8540819638901 |
| Cotangent of 40981 | -0.5393504815191 |
| The spelling of 40981 in words is "forty thousand nine hundred eighty-one", meaning that: |
| 40981 is not an aban number (as it contains the letter a) |
| 40981 is not an eban number (as it contains the letter e) |
| 40981 is not an iban number (as it contains the letter i) |
| 40981 is not an oban number (as it contains the letter o) |
| 40981 is not a tban number (as it contains the letter t) |
| 40981 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৪০৯৮১ |
| Eastern Arabic numerals | ٤٠٬٩٨١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓍪𓎍𓏺 |
| Khmer numerals | ៤០៩៨១ |
| Japanese numerals | 四万九百八十一 |
| Roman numerals | n/a |
| Thai numerals | ๔๐๙๘๑ |
| Arabic | أربعون ألف و تسعة مائة و واحد و ثمانون |
| Croatian | četrdeset tisuća devetsto osamdeset i jedan |
| Czech | čtyřicet tisíc devět set osmdesát jeden |
| Danish | fyrre tusinde ni hundrede en og firs |
| Dutch | veertigduizend negenhonderdéénentachtig |
| Estonian | akpe blaene alafa asieke blaenyi vɔ ɖekɛ |
| Faroese | fýrati tusin og níggjuhundraðogáttatiein |
| Filipino | ápat na pû libó’t siyám na daán at walóng pû’t isá |
| Finnish | neljäkymmentätuhattayhdeksänsataakahdeksankymmentäyksi |
| French | quarante mille neuf cent quatre-vingt-un |
| Greek | σαράντα χίλιάδες εννιακόσια ογδόντα ένα |
| German | vierzigtausendneunhunderteinundachtzig |
| Hebrew | ארבעים אלף תשע מאות שמונים ואחת |
| Hindi | चालीस हज़ार नौ सौ इक्यासी |
| Hungarian | negyvenezerkilencszáznyolcvanegy |
| Icelandic | fjörutíu þúsund og níuhundrað og áttatíu og einn |
| Indonesian | empat puluh ribu sembilan ratus delapan puluh satu |
| Italian | quarantamilanovecentoottantuno |
| Japanese | 四万九百八十一 |
| Korean | 사만 구백팔십일 |
| Latvian | četrdesmit tūkstoši deviņsimt astoņdesmit viens |
| Lithuanian | keturiasdešimt tūkstančių devyni šimtai aštuoniasdešimt vienas |
| Norwegian | førti tusen ni hundre og åttién |
| Persian | چهل هزار و نهصد و هشتاد و یک |
| Polish | czterdzieści tysięcy dziewięćset osiemdziesiąt jeden |
| Portuguese | quarenta mil novecentos e oitenta e um |
| Romanian | patruzeci mii nouă sute optzeci şi unu |
| Russian | сорок тысяч девятьсот восемьдесят один |
| Serbian | четрдесет хиљада деветсто осамдесет и један |
| Slovak | štyridsať tisíc deväťsto osemdesiatjeden |
| Slovene | štirideset tisuću devetsto osemdeset ena |
| Spanish | cuarenta mil novecientos ochenta y uno |
| Swahili | elfu arobaini, mia tisa na themanini na moja |
| Swedish | fyrtiotusenniohundraåttioen |
| Thai | สี่หมื่นเก้าร้อยแปดสิบเอ็ด |
| Turkish | kırk bin dokuz yüz seksen bir |
| Ukrainian | сорок тисяч девʼятсот вісімдесят один |
| Vietnamese | bốn mươi nghìn chín trăm tám mươi mốt |
| Number 40981 reversed | 18904 | |
| Unicode Character | U+A015 | ꀕ |
| Unix Timestamp | Thu, 01 Jan 1970 11:23:01 +0000 | |