| Nominal | 640420 |
| Cardinal | six hundred forty thousand four hundred twenty |
Cardinal six hundred forty thousand four hundred twenty | |
| Ordinal | 640,420th |
| Number of digits | 6 |
| Sum of digits | 16 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 5 x 11 x 41 x 71 |
| Prime factorization in exponent form | 22 x 5 x 11 x 41 x 71 |
| Prime factors | 2, 5, 11, 41, 71 |
| Number of distinct prime factors ω(n) | 5 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 130 |
| Product of prime factors | 320210 |
| Is 640420 a prime number? | No |
| Is 640420 a semiprime number? | No |
| Is 640420 a Chen prime number? | No |
| Is 640420 a Mersenne prime number? | No |
| Is 640420 a Catalan number? | No |
| Is 640420 a Fibonacci number? | No |
| Is 640420 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100111000101101001002 |
| 3 | Ternary | 10121121110213 |
| 4 | Quaternary | 21301122104 |
| 5 | Quinary | 1304431405 |
| 6 | Senary | 214205246 |
| 7 | Septenary | 53050547 |
| 8 | Octal | 23426448 |
| 9 | Nonary | 11754379 |
| 10 | Decimal | 640420 |
| 12 | Duodecimal | 26a74412 |
| 16 | Hexadecimal | 9c5a416 |
| 20 | Vigesimal | 4011020 |
| 36 | Base36 | dq5g36 |
| 60 | Sexagesimal | 2vre60 |
| Square of 640420 (n2) | 410137776400 |
| Cube of 640420 (n3) | 262660434762088000 |
| Square root of 640420 | 800.26245694772 |
| Natural Logarithm (ln) of 640420 | 13.369879490098 |
| Decimal Logarithm (log) of 640420 | 5.806464886261 |
| Sine of 640420 | 0.054353614872238 |
| Cosecant of 640420 | 18.398040357584 |
| Cosine of 640420 | 0.99852174966313 |
| Secant of 640420 | 1.001480438796 |
| Tangent of 640420 | 0.054434082072399 |
| Cotangent of 640420 | 18.370843448227 |
| The spelling of 640420 in words is "six hundred forty thousand four hundred twenty", meaning that: |
| 640420 is not an aban number (as it contains the letter a) |
| 640420 is not an eban number (as it contains the letter e) |
| 640420 is not an iban number (as it contains the letter i) |
| 640420 is not an oban number (as it contains the letter o) |
| 640420 is not a tban number (as it contains the letter t) |
| 640420 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৬৪০৪২০ |
| Eastern Arabic numerals | ٦٤٠٬٤٢٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓍥𓎇 |
| Khmer numerals | ៦៤០៤២០ |
| Japanese numerals | 六十四万四百二十 |
| Roman numerals | n/a |
| Thai numerals | ๖๔๐๔๒๐ |
| Arabic | ستة مائة و أربعون ألف و أربعة مائة و عشرون |
| Croatian | šeststo četrdeset tisuća četiristo dvadeset |
| Czech | šest set čtyřicet tisíc čtyři sta dvacet |
| Danish | seks hundrede fyrre tusinde fire hundrede tyve |
| Dutch | zeshonderdveertigduizend vierhonderdtwintig |
| Estonian | akpe alafa ade kple blaene alafa ene kple blaeve |
| Faroese | sekshundraðogfýrati tusin og fýrehundraðogtjúgo |
| Filipino | anim na daán at ápat na pû libó’t ápat na daán at dalawáng pû |
| Finnish | kuusisataaneljäkymmentätuhattaneljäsataakaksikymmentä |
| French | six cent quarante mille quatre cent vingt |
| Greek | εξακόσιες σαράντα χίλιάδες τετρακόσια είκοσι |
| German | sechshundertvierzigtausendvierhundertzwanzig |
| Hebrew | שש מאות ארבעים אלף ארבע מאות עשרים |
| Hindi | छह लाख चालीस हज़ार चार सौ बीस |
| Hungarian | hatszáznegyvenezernégyszázhúsz |
| Icelandic | sexhundrað og fjörutíu þúsund og fjögurhundrað og tuttugu |
| Indonesian | enam ratus empat puluh ribu empat ratus dua puluh |
| Italian | seicentoquarantamilaquattrocentoventi |
| Japanese | 六十四万四百二十 |
| Korean | 육십사만 사백이십 |
| Latvian | sešsimt četrdesmit tūkstoši četrsimt divdesmit |
| Lithuanian | šeši šimtai keturiasdešimt tūkstančių keturi šimtai dvidešimt |
| Norwegian | seks hundre og førti tusen fire hundre og tjue |
| Persian | ششصد و چهل هزار و چهارصد و بیست |
| Polish | sześćset czterdzieści tysięcy czterysta dwadzieścia |
| Portuguese | seiscentos e quarenta mil quatrocentos e vinte |
| Romanian | şase sute patruzeci mii patru sute douăzeci |
| Russian | шестьсот сорок тысяч четыреста двадцать |
| Serbian | шестсто четрдесет хиљада четиристо двадесет |
| Slovak | šesťsto štyridsať tisíc štyristo dvadsať |
| Slovene | šesto štirideset tisuću štiristo dvaset |
| Spanish | seiscientos cuarenta mil cuatrocientos veinte |
| Swahili | elfu mia sita na arobaini, mia nne na ishirini |
| Swedish | sexhundrafyrtiotusenfyrahundratjugo |
| Thai | หกแสนสี่หมื่นสี่ร้อยยี่สิบ |
| Turkish | altı yüz kırk bin dört yüz yirmi |
| Ukrainian | шістсот сорок тисяч чотириста двадцять |
| Vietnamese | sáu trăm bốn mươi nghìn bốn trăm hai mươi |
| Number 640420 reversed | 024046 | |
| Unicode Character | U+9C5A4 | |
| Hexadecimal color | #640420 | |
| Unix Timestamp | Thu, 08 Jan 1970 09:53:40 +0000 | |