| Nominal | 161220 |
| Cardinal | one hundred sixty-one thousand two hundred twenty |
Cardinal one hundred sixty-one thousand two hundred twenty | |
| Ordinal | 161,220th |
| Number of digits | 6 |
| Sum of digits | 12 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 3 x 5 x 2687 |
| Prime factorization in exponent form | 22 x 3 x 5 x 2687 |
| Prime factors | 2, 3, 5, 2687 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 2697 |
| Product of prime factors | 80610 |
| Is 161220 a prime number? | No |
| Is 161220 a semiprime number? | No |
| Is 161220 a Chen prime number? | No |
| Is 161220 a Mersenne prime number? | No |
| Is 161220 a Catalan number? | No |
| Is 161220 a Fibonacci number? | No |
| Is 161220 a Idoneal number? | No |
| Square of 161220 (n2) | 25991888400 |
| Cube of 161220 (n3) | 4190412247848000 |
| Square root of 161220 | 401.52210399927 |
| Natural Logarithm (ln) of 161220 | 11.990525170838 |
| Decimal Logarithm (log) of 161220 | 5.2074189168168 |
| Sine of 161220 | -0.2491446179801 |
| Cosecant of 161220 | -4.0137331005075 |
| Cosine of 161220 | 0.96846629230529 |
| Secant of 161220 | 1.0325604597137 |
| Tangent of 161220 | -0.25725688127673 |
| Cotangent of 161220 | -3.8871652141515 |
| The spelling of 161220 in words is "one hundred sixty-one thousand two hundred twenty", meaning that: |
| 161220 is not an aban number (as it contains the letter a) |
| 161220 is not an eban number (as it contains the letter e) |
| 161220 is not an iban number (as it contains the letter i) |
| 161220 is not an oban number (as it contains the letter o) |
| 161220 is not a tban number (as it contains the letter t) |
| 161220 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৬১২২০ |
| Eastern Arabic numerals | ١٦١٬٢٢٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍣𓎇 |
| Khmer numerals | ១៦១២២០ |
| Japanese numerals | 十六万千二百二十 |
| Roman numerals | n/a |
| Thai numerals | ๑๖๑๒๒๐ |
| Arabic | مائة و واحد و ستون ألف و مائتان و عشرون |
| Croatian | sto šezdeset i jedna tisuća dvjesto dvadeset |
| Czech | sto šedesát jedna tisíc dvě stě dvacet |
| Danish | et hundrede en og tres tusinde to hundrede tyve |
| Dutch | honderdéénenzestigduizend tweehonderdtwintig |
| Estonian | akpe alafa ɖeka blaade vɔ ɖekɛ alafa eve kple blaeve |
| Faroese | eitthundraðogsekstieitt tusin og tveyhundraðogtjúgo |
| Filipino | isáng daán at anim na pû’t isáng libó’t dalawáng daán at dalawáng pû |
| Finnish | satakuusikymmentäyksituhattakaksisataakaksikymmentä |
| French | cent soixante et un mille deux cent vingt |
| Greek | εκατόν εξήντα μία χίλιάδες διακόσια είκοσι |
| German | einhunderteinundsechzigtausendzweihundertzwanzig |
| Hebrew | מאה שישים ואחד אלף מאתיים עשרים |
| Hindi | एक लाख इकसठ हज़ार दो सौ बीस |
| Hungarian | százhatvanegyezerkétszázhúsz |
| Icelandic | eitthundrað og sextíu og eitt þúsund og tvöhundrað og tuttugu |
| Indonesian | seratus enam puluh satu ribu dua ratus dua puluh |
| Italian | centosessant e unmiladuecentoventi |
| Japanese | 十六万千二百二十 |
| Korean | 십육만 천이백이십 |
| Latvian | simt sešdesmit viens tūkstoši divsimt divdesmit |
| Lithuanian | šimtas šešiasdešimt vienas tūkstantis du šimtai dvidešimt |
| Norwegian | hundre og sekstiett tusen to hundre og tjue |
| Persian | صد و شصت و یک هزار و دویست و بیست |
| Polish | sto sześćdziesiąt jeden tysięcy dwieście dwadzieścia |
| Portuguese | cento e sessenta e um mil duzentos e vinte |
| Romanian | una sută şasezeci şi una mii două sute douăzeci |
| Russian | сто шестьдесят одна тысяча двести двадцать |
| Serbian | сто шездесет и једна хиљада двеста двадесет |
| Slovak | jednasto šesťdesiatjedna tisíc dvesto dvadsať |
| Slovene | sto šestdeset ena tisuću dvjesto dvaset |
| Spanish | ciento sesenta y un mil doscientos veinte |
| Swahili | elfu mia moja na sitini na moja, mia mbili na ishirini |
| Swedish | enhundrasextioentusentvåhundratjugo |
| Thai | หนึ่งแสนหกหมื่นหนึ่งพันสองร้อยยี่สิบ |
| Turkish | yüz altmış bir bin iki yüz yirmi |
| Ukrainian | сто шістдесят одна тисяча двісті двадцять |
| Vietnamese | một trăm sáu mươi mốt nghìn hai trăm hai mươi |
| Number 161220 reversed | 022161 | |
| Unicode Character | U+275C4 | 𧗄 |
| Hexadecimal color | #161220 | |
| Unix Timestamp | Fri, 02 Jan 1970 20:47:00 +0000 | |