| Nominal | 6399 |
| Cardinal | six thousand three hundred ninety-nine |
Cardinal six thousand three hundred ninety-nine | |
| Ordinal | 6,399th |
| Number of digits | 4 |
| Sum of digits | 27 |
| Product of digits | 1458 |
| Number parity | Odd |
| Prime factorization | 3 x 3 x 3 x 3 x 79 |
| Prime factorization in exponent form | 34 x 79 |
| Prime factors | 3, 79 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 82 |
| Product of prime factors | 237 |
| Is 6399 a prime number? | No |
| Is 6399 a semiprime number? | No |
| Is 6399 a Chen prime number? | No |
| Is 6399 a Mersenne prime number? | No |
| Is 6399 a Catalan number? | No |
| Is 6399 a Fibonacci number? | No |
| Is 6399 a Idoneal number? | No |
| Square of 6399 (n2) | 40947201 |
| Cube of 6399 (n3) | 262021139199 |
| Square root of 6399 | 79.99374975584 |
| Natural Logarithm (ln) of 6399 | 8.7638970071395 |
| Decimal Logarithm (log) of 6399 | 3.8061121101691 |
| Sine of 6399 | 0.41162404681315 |
| Cosecant of 6399 | 2.4294013135096 |
| Cosine of 6399 | -0.91135374256387 |
| Secant of 6399 | -1.0972687698486 |
| Tangent of 6399 | -0.45166221148678 |
| Cotangent of 6399 | -2.2140439792565 |
| The spelling of 6399 in words is "six thousand three hundred ninety-nine", meaning that: |
| 6399 is not an aban number (as it contains the letter a) |
| 6399 is not an eban number (as it contains the letter e) |
| 6399 is not an iban number (as it contains the letter i) |
| 6399 is not an oban number (as it contains the letter o) |
| 6399 is not a tban number (as it contains the letter t) |
| 6399 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৬৩৯৯ |
| Eastern Arabic numerals | ٦٬٣٩٩ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆼𓆼𓆼𓆼𓆼𓆼𓍤𓎎𓐂 |
| Khmer numerals | ៦៣៩៩ |
| Japanese numerals | 六千三百九十九 |
| Roman numerals | n/a |
| Thai numerals | ๖๓๙๙ |
| Arabic | ستة آلاف و ثلاثة مائة و تسعة و تسعون |
| Croatian | šest tisuća tristo devedeset i devet |
| Czech | šest tisíc tři sta devadesát devět |
| Danish | seks tusinde tre hundrede ni og halvfems |
| Dutch | zesduizend driehonderdnegenennegentig |
| Estonian | akpe ade alafa etɔ̃ blaasieke vɔ asieke |
| Faroese | seks tusin og trýhundraðognítiníggju |
| Filipino | anim na libó’t tatlóng daán at siyám na pû’t siyám |
| Finnish | kuusituhattakolmesataayhdeksänkymmentäyhdeksän |
| French | six mille trois cent quatre-vingt-dix-neuf |
| Greek | έξι χίλιάδες τριακόσια εννενήντα εννέα |
| German | sechstausenddreihundertneunundneunzig |
| Hebrew | ששת אלפים שלוש מאות תשעים ותשע |
| Hindi | छह हज़ार तीन सौ निन्यानबे |
| Hungarian | hatezerháromszázkilencvenkilenc |
| Icelandic | sex þúsund og þrjúhundrað og níutíu og níu |
| Indonesian | enam ribu tiga ratus sembilan puluh sembilan |
| Italian | seimilatrecentonovantanove |
| Japanese | 六千三百九十九 |
| Korean | 육천삼백구십구 |
| Latvian | seštūkstoš trīssimt deviņdesmit deviņi |
| Lithuanian | šeši tūkstančiai trys šimtai devyniasdešimt devyni |
| Norwegian | seks tusen tre hundre og nittini |
| Persian | شش هزار و سیصد و نود و نه |
| Polish | sześć tysięcy trzysta dziewięćdziesiąt dziewięć |
| Portuguese | seis mil trezentos e noventa e nove |
| Romanian | şase mii trei sute nouăzeci şi nouă |
| Russian | шесть тысяч триста девяносто девять |
| Serbian | шест хиљада триста деведесет и девет |
| Slovak | šesť tisíc tristo deväťdesiatdeväť |
| Slovene | šest tisuću tristo devetdeset devet |
| Spanish | seis mil trescientos noventa y nueve |
| Swahili | elfu sita, mia tatu na tisini na tisa |
| Swedish | sextusentrehundranittionio |
| Thai | หกพันสามร้อยเก้าสิบเก้า |
| Turkish | altı bin üç yüz doksan dokuz |
| Ukrainian | шість тисяч триста девʼяносто девʼять |
| Vietnamese | sáu nghìn ba trăm chín mươi chín |
| Number 6399 reversed | 9936 | |
| Unicode Character | U+18FF | |
| Unix Timestamp | Thu, 01 Jan 1970 01:46:39 +0000 | |