| Nominal | 261280 |
| Cardinal | two hundred sixty-one thousand two hundred eighty |
Cardinal two hundred sixty-one thousand two hundred eighty | |
| Ordinal | 261,280th |
| Number of digits | 6 |
| Sum of digits | 19 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 2 x 5 x 23 x 71 |
| Prime factorization in exponent form | 25 x 5 x 23 x 71 |
| Prime factors | 2, 5, 23, 71 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 8 |
| Sum of prime factors | 101 |
| Product of prime factors | 16330 |
| Is 261280 a prime number? | No |
| Is 261280 a semiprime number? | No |
| Is 261280 a Chen prime number? | No |
| Is 261280 a Mersenne prime number? | No |
| Is 261280 a Catalan number? | No |
| Is 261280 a Fibonacci number? | No |
| Is 261280 a Idoneal number? | No |
| Square of 261280 (n2) | 68267238400 |
| Cube of 261280 (n3) | 17836864049152000 |
| Square root of 261280 | 511.15555362336 |
| Natural Logarithm (ln) of 261280 | 12.473347908204 |
| Decimal Logarithm (log) of 261280 | 5.4171061673926 |
| Sine of 261280 | 0.022184424000374 |
| Cosecant of 261280 | 45.07667181186 |
| Cosine of 261280 | 0.99975389538214 |
| Secant of 261280 | 1.0002461652002 |
| Tangent of 261280 | 0.02218988503355 |
| Cotangent of 261280 | 45.06557823477 |
| The spelling of 261280 in words is "two hundred sixty-one thousand two hundred eighty", meaning that: |
| 261280 is not an aban number (as it contains the letter a) |
| 261280 is not an eban number (as it contains the letter e) |
| 261280 is not an iban number (as it contains the letter i) |
| 261280 is not an oban number (as it contains the letter o) |
| 261280 is not a tban number (as it contains the letter t) |
| 261280 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২৬১২৮০ |
| Eastern Arabic numerals | ٢٦١٬٢٨٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍣𓎍 |
| Khmer numerals | ២៦១២៨០ |
| Japanese numerals | 二十六万千二百八十 |
| Roman numerals | n/a |
| Thai numerals | ๒๖๑๒๘๐ |
| Arabic | مائتان و واحد و ستون ألف و مائتان و ثمانون |
| Croatian | dvjesto šezdeset i jedna tisuća dvjesto osamdeset |
| Czech | dvě stě šedesát jedna tisíc dvě stě osmdesát |
| Danish | to hundrede en og tres tusinde to hundrede firs |
| Dutch | tweehonderdéénenzestigduizend tweehonderdtachtig |
| Estonian | akpe alafa eve blaade vɔ ɖekɛ alafa eve kple blaenyi |
| Faroese | tveyhundraðogsekstieitt tusin og tveyhundraðogáttati |
| Filipino | dalawáng daán at anim na pû’t isáng libó’t dalawáng daán at walóng pû |
| Finnish | kaksisataakuusikymmentäyksituhattakaksisataakahdeksankymmentä |
| French | deux cent soixante et un mille deux cent quatre-vingts |
| Greek | διακόσιες εξήντα μία χίλιάδες διακόσια ογδόντα |
| German | zweihunderteinundsechzigtausendzweihundertachtzig |
| Hebrew | מאתיים שישים ואחד אלף מאתיים שמונים |
| Hindi | दो लाख इकसठ हज़ार दो सौ अस्सी |
| Hungarian | kétszázhatvanegyezerkétszáznyolcvan |
| Icelandic | tvöhundrað og sextíu og eitt þúsund og tvöhundrað og áttatíu |
| Indonesian | dua ratus enam puluh satu ribu dua ratus delapan puluh |
| Italian | duecentosessant e unmiladuecentoottanta |
| Japanese | 二十六万千二百八十 |
| Korean | 이십육만 천이백팔십 |
| Latvian | divsimt sešdesmit viens tūkstoši divsimt astoņdesmit |
| Lithuanian | du šimtai šešiasdešimt vienas tūkstantis du šimtai aštuoniasdešimt |
| Norwegian | to hundre og sekstiett tusen to hundre og åtti |
| Persian | دویست و شصت و یک هزار و دویست و هشتاد |
| Polish | dwieście sześćdziesiąt jeden tysięcy dwieście osiemdziesiąt |
| Portuguese | duzentos e sessenta e um mil duzentos e oitenta |
| Romanian | două sute şasezeci şi una mii două sute optzeci |
| Russian | двести шестьдесят одна тысяча двести восемьдесят |
| Serbian | двеста шездесет и једна хиљада двеста осамдесет |
| Slovak | dvesto šesťdesiatjedna tisíc dvesto osemdesiat |
| Slovene | dvjesto šestdeset ena tisuću dvjesto osemdeset |
| Spanish | doscientos sesenta y un mil doscientos ochenta |
| Swahili | elfu mia mbili na sitini na moja, mia mbili na themanini |
| Swedish | tvåhundrasextioentusentvåhundraåttio |
| Thai | สองแสนหกหมื่นหนึ่งพันสองร้อยแปดสิบ |
| Turkish | iki yüz altmış bir bin iki yüz seksen |
| Ukrainian | двісті шістдесят одна тисяча двісті вісімдесят |
| Vietnamese | hai trăm sáu mươi mốt nghìn hai trăm tám mươi |
| Number 261280 reversed | 082162 | |
| Unicode Character | U+3FCA0 | |
| Hexadecimal color | #261280 | |
| Unix Timestamp | Sun, 04 Jan 1970 00:34:40 +0000 | |