Names of 21442
| Nominal | 21442 |
| Cardinal | twenty-one thousand four hundred forty-two |
| Ordinal | 21,442nd |
| This number as US currency | twenty-one thousand four hundred forty-two dollars |
| Is 21442 an odd number? | 21442 is NOT an odd number |
| Is 21442 an even number? | 21442 is an even number |
| Is 21442 a palindrome? | 21442 is NOT a palindrome number |
| Is 21442 a triangle number? | 21442 is NOT a triangle number |
21442 in other Bases
| Base 2 (Binary) | 1010011110000102 |
| Base 3 (Ternary) | 10021020113 |
| Base 4 (Quaternary) | 110330024 |
| Base 5 (Quinary) | 11412325 |
| Base 6 (Senary) | 2431346 |
| Base 8 (Octal) | 517028 |
| Base 12 (Duodecimal) | 104AA12 |
| Base 16 (Hexadecimal) | 53C216 |
| Base 20 (Vigesimal) | 2DC220 |
Primes and Factors tests for 21442
| Is 21442 a Prime Number? | 21442 is NOT a prime |
| Is 21442 a perfect number? | 21442 is NOT a perfect number |
| Is 21442 a Mersenne Prime? | 21442 is NOT a Mersenne prime |
| Is 21442 a Fermat Prime? | 21442 is NOT a Fermat prime |
| Is 21442 a Fibonacci Prime? | 21442 is NOT a Fibonacci prime |
| Is 21442 a Partition Prime? | 21442 is NOT a Partition prime |
| Is 21442 a Pell Prime? | 21442 is NOT a Pell prime |
| Prime Factors | Prime factors of 21442 |
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21442 in other Numerals
| 21442 in Roman Numeral | XXMCDXLII |
| 21442 in Chinese Numeral | 貳萬壹仟肆佰肆拾貳 |
| 21442 in Egyptian Numeral | 𓂮𓆼𓍥𓎉𓏻 |
| 21442 in Babylonian Numeral |    |
Roots and stuff for 21442
| Is 21442 a square number? | 21442 is NOT a square number |
| Is 21442 a cube number? | 21442 is NOT a cube number |
| Square root of the number 21442 | 146.43087106208 |
| Cube root of the number 21442 | 27.781462029843 |
Recreational math for 21442
| Number 21442 reversed | 24412 |
| Sum of the digits | 13 |
| No of digits | 5 |