Names of 21404
| Nominal | 21404 |
| Cardinal | twenty-one thousand four hundred four |
| Ordinal | 21,404th |
| This number as US currency | twenty-one thousand four hundred four dollars |
| Is 21404 an odd number? | 21404 is NOT an odd number |
| Is 21404 an even number? | 21404 is an even number |
| Is 21404 a palindrome? | 21404 is NOT a palindrome number |
| Is 21404 a triangle number? | 21404 is NOT a triangle number |
21404 in other Bases
| Base 2 (Binary) | 1010011100111002 |
| Base 3 (Ternary) | 10021002023 |
| Base 4 (Quaternary) | 110321304 |
| Base 5 (Quinary) | 11411045 |
| Base 6 (Senary) | 2430326 |
| Base 8 (Octal) | 516348 |
| Base 12 (Duodecimal) | 1047812 |
| Base 16 (Hexadecimal) | 539C16 |
| Base 20 (Vigesimal) | 2DA420 |
Primes and Factors tests for 21404
| Is 21404 a Prime Number? | 21404 is NOT a prime |
| Is 21404 a perfect number? | 21404 is NOT a perfect number |
| Is 21404 a Mersenne Prime? | 21404 is NOT a Mersenne prime |
| Is 21404 a Fermat Prime? | 21404 is NOT a Fermat prime |
| Is 21404 a Fibonacci Prime? | 21404 is NOT a Fibonacci prime |
| Is 21404 a Partition Prime? | 21404 is NOT a Partition prime |
| Is 21404 a Pell Prime? | 21404 is NOT a Pell prime |
| Prime Factors | Prime factors of 21404 |
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21404 in other Numerals
| 21404 in Roman Numeral | XXMCDIV |
| 21404 in Chinese Numeral | 貳萬壹仟肆佰肆 |
| 21404 in Egyptian Numeral | 𓂮𓆼𓍥𓏽 |
| 21404 in Babylonian Numeral |    |
Roots and stuff for 21404
| Is 21404 a square number? | 21404 is NOT a square number |
| Is 21404 a cube number? | 21404 is NOT a cube number |
| Square root of the number 21404 | 146.30105946301 |
| Cube root of the number 21404 | 27.765040678999 |
Recreational math for 21404
| Number 21404 reversed | 40412 |
| Sum of the digits | 11 |
| No of digits | 5 |