Names of 21842
| Nominal | 21842 |
| Cardinal | twenty-one thousand eight hundred forty-two |
| Ordinal | 21,842nd |
| This number as US currency | twenty-one thousand eight hundred forty-two dollars |
| Is 21842 an odd number? | 21842 is NOT an odd number |
| Is 21842 an even number? | 21842 is an even number |
| Is 21842 a palindrome? | 21842 is NOT a palindrome number |
| Is 21842 a triangle number? | 21842 is NOT a triangle number |
21842 in other Bases
| Base 2 (Binary) | 1010101010100102 |
| Base 3 (Ternary) | 10022212223 |
| Base 4 (Quaternary) | 111111024 |
| Base 5 (Quinary) | 11443325 |
| Base 6 (Senary) | 2450426 |
| Base 8 (Octal) | 525228 |
| Base 12 (Duodecimal) | 1078212 |
| Base 16 (Hexadecimal) | 555216 |
| Base 20 (Vigesimal) | 2EC220 |
Primes and Factors tests for 21842
| Is 21842 a Prime Number? | 21842 is NOT a prime |
| Is 21842 a perfect number? | 21842 is NOT a perfect number |
| Is 21842 a Mersenne Prime? | 21842 is NOT a Mersenne prime |
| Is 21842 a Fermat Prime? | 21842 is NOT a Fermat prime |
| Is 21842 a Fibonacci Prime? | 21842 is NOT a Fibonacci prime |
| Is 21842 a Partition Prime? | 21842 is NOT a Partition prime |
| Is 21842 a Pell Prime? | 21842 is NOT a Pell prime |
| Prime Factors | Prime factors of 21842 |
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21842 in other Numerals
| 21842 in Roman Numeral | XXMDCCCXLII |
| 21842 in Chinese Numeral | 貳萬壹仟捌佰肆拾貳 |
| 21842 in Egyptian Numeral | 𓂮𓆼𓍩𓎉𓏻 |
| 21842 in Babylonian Numeral |    |
Roots and stuff for 21842
| Is 21842 a square number? | 21842 is NOT a square number |
| Is 21842 a cube number? | 21842 is NOT a cube number |
| Square root of the number 21842 | 147.79039210991 |
| Cube root of the number 21842 | 27.953152956032 |
Recreational math for 21842
| Number 21842 reversed | 24812 |
| Sum of the digits | 17 |
| No of digits | 5 |