| Nominal | 40987 |
| Cardinal | forty thousand nine hundred eighty-seven |
Cardinal forty thousand nine hundred eighty-seven | |
| Ordinal | 40,987th |
| Number of digits | 5 |
| Sum of digits | 28 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 17 x 2411 |
| Prime factors | 17, 2411 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 2428 |
| Product of prime factors | 40987 |
| Is 40987 a prime number? | No |
| Is 40987 a semiprime number? | Yes |
| Is 40987 a Chen prime number? | No |
| Is 40987 a Mersenne prime number? | No |
| Is 40987 a Catalan number? | No |
| Is 40987 a Fibonacci number? | No |
| Is 40987 a Idoneal number? | No |
| Square of 40987 (n2) | 1679934169 |
| Cube of 40987 (n3) | 68855461784803 |
| Square root of 40987 | 202.45246355626 |
| Natural Logarithm (ln) of 40987 | 10.621010222237 |
| Decimal Logarithm (log) of 40987 | 4.6126461317557 |
| Sine of 40987 | 0.97772868162972 |
| Cosecant of 40987 | 1.0227786284567 |
| Cosine of 40987 | -0.20987287847317 |
| Secant of 40987 | -4.7647890822056 |
| Tangent of 40987 | -4.6586709475885 |
| Cotangent of 40987 | -0.21465349479504 |
| The spelling of 40987 in words is "forty thousand nine hundred eighty-seven", meaning that: |
| 40987 is not an aban number (as it contains the letter a) |
| 40987 is not an eban number (as it contains the letter e) |
| 40987 is not an iban number (as it contains the letter i) |
| 40987 is not an oban number (as it contains the letter o) |
| 40987 is not a tban number (as it contains the letter t) |
| 40987 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৪০৯৮৭ |
| Eastern Arabic numerals | ٤٠٬٩٨٧ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓍪𓎍𓐀 |
| Khmer numerals | ៤០៩៨៧ |
| Japanese numerals | 四万九百八十七 |
| Roman numerals | n/a |
| Thai numerals | ๔๐๙๘๗ |
| Arabic | أربعون ألف و تسعة مائة و سبعة و ثمانون |
| Croatian | četrdeset tisuća devetsto osamdeset i sedam |
| Czech | čtyřicet tisíc devět set osmdesát sedm |
| Danish | fyrre tusinde ni hundrede syv og firs |
| Dutch | veertigduizend negenhonderdzevenentachtig |
| Estonian | akpe blaene alafa asieke blaenyi vɔ adre |
| Faroese | fýrati tusin og níggjuhundraðogáttatisjey |
| Filipino | ápat na pû libó’t siyám na daán at walóng pû’t pitó |
| Finnish | neljäkymmentätuhattayhdeksänsataakahdeksankymmentäseitsemän |
| French | quarante mille neuf cent quatre-vingt-sept |
| Greek | σαράντα χίλιάδες εννιακόσια ογδόντα επτά |
| German | vierzigtausendneunhundertsiebenundachtzig |
| Hebrew | ארבעים אלף תשע מאות שמונים ושבע |
| Hindi | चालीस हज़ार नौ सौ सत्तासी |
| Hungarian | negyvenezerkilencszáznyolcvanhét |
| Icelandic | fjörutíu þúsund og níuhundrað og áttatíu og sjó |
| Indonesian | empat puluh ribu sembilan ratus delapan puluh tujuh |
| Italian | quarantamilanovecentoottantasette |
| Japanese | 四万九百八十七 |
| Korean | 사만 구백팔십칠 |
| Latvian | četrdesmit tūkstoši deviņsimt astoņdesmit septiņi |
| Lithuanian | keturiasdešimt tūkstančių devyni šimtai aštuoniasdešimt septyni |
| Norwegian | førti tusen ni hundre og åttisju |
| Persian | چهل هزار و نهصد و هشتاد و هفت |
| Polish | czterdzieści tysięcy dziewięćset osiemdziesiąt siedem |
| Portuguese | quarenta mil novecentos e oitenta e sete |
| Romanian | patruzeci mii nouă sute optzeci şi şapte |
| Russian | сорок тысяч девятьсот восемьдесят семь |
| Serbian | четрдесет хиљада деветсто осамдесет и седам |
| Slovak | štyridsať tisíc deväťsto osemdesiatsedem |
| Slovene | štirideset tisuću devetsto osemdeset sedem |
| Spanish | cuarenta mil novecientos ochenta y siete |
| Swahili | elfu arobaini, mia tisa na themanini na saba |
| Swedish | fyrtiotusenniohundraåttiosju |
| Thai | สี่หมื่นเก้าร้อยแปดสิบเจ็ด |
| Turkish | kırk bin dokuz yüz seksen yedi |
| Ukrainian | сорок тисяч девʼятсот вісімдесят сім |
| Vietnamese | bốn mươi nghìn chín trăm tám mươi bảy |
| Number 40987 reversed | 78904 | |
| Unicode Character | U+A01B | ꀛ |
| Unix Timestamp | Thu, 01 Jan 1970 11:23:07 +0000 | |