| Nominal | 161540 |
| Cardinal | one hundred sixty-one thousand five hundred forty |
Cardinal one hundred sixty-one thousand five hundred forty | |
| Ordinal | 161,540th |
| Number of digits | 6 |
| Sum of digits | 17 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 5 x 41 x 197 |
| Prime factorization in exponent form | 22 x 5 x 41 x 197 |
| Prime factors | 2, 5, 41, 197 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 245 |
| Product of prime factors | 80770 |
| Is 161540 a prime number? | No |
| Is 161540 a semiprime number? | No |
| Is 161540 a Chen prime number? | No |
| Is 161540 a Mersenne prime number? | No |
| Is 161540 a Catalan number? | No |
| Is 161540 a Fibonacci number? | No |
| Is 161540 a Idoneal number? | No |
| Square of 161540 (n2) | 26095171600 |
| Cube of 161540 (n3) | 4215414020264000 |
| Square root of 161540 | 401.9203901272 |
| Natural Logarithm (ln) of 161540 | 11.992508068996 |
| Decimal Logarithm (log) of 161540 | 5.2082800785453 |
| Sine of 161540 | -0.63980736485591 |
| Cosecant of 161540 | -1.5629704422443 |
| Cosine of 161540 | 0.76853531856131 |
| Secant of 161540 | 1.3011763751756 |
| Tangent of 161540 | -0.83250222781384 |
| Cotangent of 161540 | -1.2011979867321 |
| The spelling of 161540 in words is "one hundred sixty-one thousand five hundred forty", meaning that: |
| 161540 is not an aban number (as it contains the letter a) |
| 161540 is not an eban number (as it contains the letter e) |
| 161540 is not an iban number (as it contains the letter i) |
| 161540 is not an oban number (as it contains the letter o) |
| 161540 is not a tban number (as it contains the letter t) |
| 161540 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৬১৫৪০ |
| Eastern Arabic numerals | ١٦١٬٥٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍦𓎉 |
| Khmer numerals | ១៦១៥៤០ |
| Japanese numerals | 十六万千五百四十 |
| Roman numerals | n/a |
| Thai numerals | ๑๖๑๕๔๐ |
| Arabic | مائة و واحد و ستون ألف و خمسة مائة و أربعون |
| Croatian | sto šezdeset i jedna tisuća petsto četrdeset |
| Czech | sto šedesát jedna tisíc pět set čtyřicet |
| Danish | et hundrede en og tres tusinde fem hundrede fyrre |
| Dutch | honderdéénenzestigduizend vijfhonderdveertig |
| Estonian | akpe alafa ɖeka blaade vɔ ɖekɛ alafa atɔ̃ kple blaene |
| Faroese | eitthundraðogsekstieitt tusin og fimmhundraðogfýrati |
| Filipino | isáng daán at anim na pû’t isáng libó’t limáng daán at ápat na pû |
| Finnish | satakuusikymmentäyksituhattaviisisataaneljäkymmentä |
| French | cent soixante et un mille cinq cent quarante |
| Greek | εκατόν εξήντα μία χίλιάδες πεντακόσια σαράντα |
| German | einhunderteinundsechzigtausendfünfhundertvierzig |
| Hebrew | מאה שישים ואחד אלף חמש מאות ארבעים |
| Hindi | एक लाख इकसठ हज़ार पाँच सौ चालीस |
| Hungarian | százhatvanegyezerötszáznegyven |
| Icelandic | eitthundrað og sextíu og eitt þúsund og fimmhundrað og fjörutíu |
| Indonesian | seratus enam puluh satu ribu lima ratus empat puluh |
| Italian | centosessant e unmilacinquecentoquaranta |
| Japanese | 十六万千五百四十 |
| Korean | 십육만 천오백사십 |
| Latvian | simt sešdesmit viens tūkstoši piecsimt četrdesmit |
| Lithuanian | šimtas šešiasdešimt vienas tūkstantis penki šimtai keturiasdešimt |
| Norwegian | hundre og sekstiett tusen fem hundre og førti |
| Persian | صد و شصت و یک هزار و پانصد و چهل |
| Polish | sto sześćdziesiąt jeden tysięcy pięćset czterdzieści |
| Portuguese | cento e sessenta e um mil quinhentos e quarenta |
| Romanian | una sută şasezeci şi una mii cinci sute patruzeci |
| Russian | сто шестьдесят одна тысяча пятьсот сорок |
| Serbian | сто шездесет и једна хиљада петсто четрдесет |
| Slovak | jednasto šesťdesiatjedna tisíc päťsto štyridsať |
| Slovene | sto šestdeset ena tisuću petsto štirideset |
| Spanish | ciento sesenta y un mil quinientos cuarenta |
| Swahili | elfu mia moja na sitini na moja, mia tano na arobaini |
| Swedish | enhundrasextioentusenfemhundrafyrtio |
| Thai | หนึ่งแสนหกหมื่นหนึ่งพันห้าร้อยสี่สิบ |
| Turkish | yüz altmış bir bin beş yüz kırk |
| Ukrainian | сто шістдесят одна тисяча пʼятсот сорок |
| Vietnamese | một trăm sáu mươi mốt nghìn năm trăm bốn mươi |
| Number 161540 reversed | 045161 | |
| Unicode Character | U+27704 | 𧜄 |
| Hexadecimal color | #161540 | |
| Unix Timestamp | Fri, 02 Jan 1970 20:52:20 +0000 | |