| Nominal | 21125 |
| Cardinal | twenty-one thousand one hundred twenty-five |
Cardinal twenty-one thousand one hundred twenty-five | |
| Ordinal | 21,125th |
| Number of digits | 5 |
| Sum of digits | 11 |
| Product of digits | 20 |
| Number parity | Odd |
| Prime factorization | 5 x 5 x 5 x 13 x 13 |
| Prime factorization in exponent form | 53 x 132 |
| Prime factors | 5, 13 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 18 |
| Product of prime factors | 65 |
| Is 21125 a prime number? | No |
| Is 21125 a semiprime number? | No |
| Is 21125 a Chen prime number? | No |
| Is 21125 a Mersenne prime number? | No |
| Is 21125 a Catalan number? | No |
| Is 21125 a Fibonacci number? | No |
| Is 21125 a Idoneal number? | No |
| Square of 21125 (n2) | 446265625 |
| Cube of 21125 (n3) | 9427361328125 |
| Square root of 21125 | 145.34441853749 |
| Natural Logarithm (ln) of 21125 | 9.9582124522254 |
| Decimal Logarithm (log) of 21125 | 4.3247967176217 |
| Sine of 21125 | 0.80221573941717 |
| Cosecant of 21125 | 1.2465474695454 |
| Cosine of 21125 | 0.59703425984726 |
| Secant of 21125 | 1.6749457564727 |
| Tangent of 21125 | 1.3436678485124 |
| Cotangent of 21125 | 0.74423154584454 |
| The spelling of 21125 in words is "twenty-one thousand one hundred twenty-five", meaning that: |
| 21125 is not an aban number (as it contains the letter a) |
| 21125 is not an eban number (as it contains the letter e) |
| 21125 is not an iban number (as it contains the letter i) |
| 21125 is not an oban number (as it contains the letter o) |
| 21125 is not a tban number (as it contains the letter t) |
| 21125 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২১১২৫ |
| Eastern Arabic numerals | ٢١٬١٢٥ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓍢𓎇𓏾 |
| Khmer numerals | ២១១២៥ |
| Japanese numerals | 二万千百二十五 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๑๒๕ |
| Arabic | واحد و عشرون ألف و مائة و خمسة و عشرون |
| Croatian | dvadeset i jedna tisuća sto dvadeset i pet |
| Czech | dvacet jedna tisíc sto dvacet pět |
| Danish | en og tyve tusinde et hundrede fem og tyve |
| Dutch | éénentwintigduizend honderdvijfentwintig |
| Estonian | akpe blaeve vɔ ɖekɛ alafa ɖeka blaeve vɔ atɔ̃ |
| Faroese | tjúgoeitt tusin og eitthundraðogtjúgofimm |
| Filipino | dalawáng pû’t isáng libó’t isáng daán at dalawáng pû’t limá |
| Finnish | kaksikymmentäyksituhattasatakaksikymmentäviisi |
| French | vingt et un mille cent vingt-cinq |
| Greek | είκοσι μία χίλιάδες εκατόν είκοσι πέντε |
| German | einundzwanzigtausendeinhundertfünfundzwanzig |
| Hebrew | עשרים ואחד אלף מאה עשרים וחמש |
| Hindi | इक्कीस हज़ार एक सौ पच्चीस |
| Hungarian | huszonegyezerszázhuszonöt |
| Icelandic | tuttugu og eitt þúsund og eitthundrað og tuttugu og fimm |
| Indonesian | dua puluh satu ribu seratus dua puluh lima |
| Italian | ventunomilacentoventicinque |
| Japanese | 二万千百二十五 |
| Korean | 이만 천백이십오 |
| Latvian | divdesmit viens tūkstoši simt divdesmit pieci |
| Lithuanian | dvidešimt vienas tūkstantis šimtas dvidešimt penki |
| Norwegian | tjueett tusen hundre og tjuefem |
| Persian | بیست و یک هزار و صد و بیست و پنج |
| Polish | dwadzieścia jeden tysięcy sto dwadzieścia pięć |
| Portuguese | vinte e um mil cento e vinte e cinco |
| Romanian | douăzeci şi una mii una sută douăzeci şi cinci |
| Russian | двадцать одна тысяча сто двадцать пять |
| Serbian | двадесет и једна хиљада сто двадесет и пет |
| Slovak | dvadsaťjedna tisíc jednasto dvadsaťpäť |
| Slovene | dvaset ena tisuću sto dvaset pet |
| Spanish | veintiún mil ciento veinticinco |
| Swahili | elfu ishirini na moja, mia moja na ishirini na tano |
| Swedish | tjugoentusenenhundratjugofem |
| Thai | สองหมื่นหนึ่งพันหนึ่งร้อยยี่สิบห้า |
| Turkish | yirmi bir bin yüz yirmi beş |
| Ukrainian | двадцять одна тисяча сто двадцять пʼять |
| Vietnamese | hai mươi mốt nghìn một trăm hai mươi lăm |
| Number 21125 reversed | 52112 | |
| Unicode Character | U+5285 | 劅 |
| Unix Timestamp | Thu, 01 Jan 1970 05:52:05 +0000 | |