| Nominal | 15961 |
| Cardinal | fifteen thousand nine hundred sixty-one |
Cardinal fifteen thousand nine hundred sixty-one | |
| Ordinal | 15,961st |
| Number of digits | 5 |
| Sum of digits | 22 |
| Product of digits | 270 |
| Number parity | Odd |
| Prime factorization | 11 x 1451 |
| Prime factors | 11, 1451 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 1462 |
| Product of prime factors | 15961 |
| Is 15961 a prime number? | No |
| Is 15961 a semiprime number? | Yes |
| Is 15961 a Chen prime number? | No |
| Is 15961 a Mersenne prime number? | No |
| Is 15961 a Catalan number? | No |
| Is 15961 a Fibonacci number? | No |
| Is 15961 a Idoneal number? | No |
| Square of 15961 (n2) | 254753521 |
| Cube of 15961 (n3) | 4066120948681 |
| Square root of 15961 | 126.33685131425 |
| Natural Logarithm (ln) of 15961 | 9.6779035256826 |
| Decimal Logarithm (log) of 15961 | 4.203060097596 |
| Sine of 15961 | 0.99042096087688 |
| Cosecant of 15961 | 1.009671684568 |
| Cosine of 15961 | -0.13808084680984 |
| Secant of 15961 | -7.242134033094 |
| Tangent of 15961 | -7.1727613478561 |
| Cotangent of 15961 | -0.13941632120507 |
| The spelling of 15961 in words is "fifteen thousand nine hundred sixty-one", meaning that: |
| 15961 is not an aban number (as it contains the letter a) |
| 15961 is not an eban number (as it contains the letter e) |
| 15961 is not an iban number (as it contains the letter i) |
| 15961 is not an oban number (as it contains the letter o) |
| 15961 is not a tban number (as it contains the letter t) |
| 15961 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৫৯৬১ |
| Eastern Arabic numerals | ١٥٬٩٦١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓍪𓎋𓏺 |
| Khmer numerals | ១៥៩៦១ |
| Japanese numerals | 一万五千九百六十一 |
| Roman numerals | n/a |
| Thai numerals | ๑๕๙๖๑ |
| Arabic | خمسة عشر ألف و تسعة مائة و واحد و ستون |
| Croatian | petnaest tisuća devetsto šezdeset i jedan |
| Czech | patnáct tisíc devět set šedesát jeden |
| Danish | femten tusinde ni hundrede en og tres |
| Dutch | vijftienduizend negenhonderdéénenzestig |
| Estonian | akpe wuiatɔ̃ alafa asieke blaade vɔ ɖekɛ |
| Faroese | fímtan tusin og níggjuhundraðogsekstiein |
| Filipino | labíng-limáng libó’t siyám na daán at anim na pû’t isá |
| Finnish | viisitoistatuhattayhdeksänsataakuusikymmentäyksi |
| French | quinze mille neuf cent soixante et un |
| Greek | δεκαπέντε χίλιάδες εννιακόσια εξήντα ένα |
| German | fünfzehntausendneunhunderteinundsechzig |
| Hebrew | חמישה עשר אלף תשע מאות שישים ואחת |
| Hindi | पन्द्रह हज़ार नौ सौ इकसठ |
| Hungarian | tizenötezerkilencszázhatvanegy |
| Icelandic | fimmtán þúsund og níuhundrað og sextíu og einn |
| Indonesian | lima belas ribu sembilan ratus enam puluh satu |
| Italian | quindicimilanovecentosessantuno |
| Japanese | 一万五千九百六十一 |
| Korean | 만 오천구백육십일 |
| Latvian | piecpadsmit tūkstoši deviņsimt sešdesmit viens |
| Lithuanian | penkiolika tūkstančių devyni šimtai šešiasdešimt vienas |
| Norwegian | femten tusen ni hundre og sekstién |
| Persian | پانزده هزار و نهصد و شصت و یک |
| Polish | piętnaście tysięcy dziewięćset sześćdziesiąt jeden |
| Portuguese | quinze mil novecentos e sessenta e um |
| Romanian | cincisprezece mii nouă sute şasezeci şi unu |
| Russian | пятнадцать тысяч девятьсот шестьдесят один |
| Serbian | петнаест хиљада деветсто шездесет и један |
| Slovak | pätnásť tisíc deväťsto šesťdesiatjeden |
| Slovene | petnajst tisuću devetsto šestdeset ena |
| Spanish | quince mil novecientos sesenta y uno |
| Swahili | elfu kumi na tano, mia tisa na sitini na moja |
| Swedish | femtontusenniohundrasextioen |
| Thai | หนึ่งหมื่นห้าพันเก้าร้อยหกสิบเอ็ด |
| Turkish | on beş bin dokuz yüz altmış bir |
| Ukrainian | пʼятнадцять тисяч девʼятсот шістдесят один |
| Vietnamese | mười lăm nghìn chín trăm sáu mươi mốt |
| Number 15961 reversed | 16951 | |
| Unicode Character | U+3E59 | 㹙 |
| Unix Timestamp | Thu, 01 Jan 1970 04:26:01 +0000 | |