Names of 21142
| Nominal | 21142 |
| Cardinal | twenty-one thousand one hundred forty-two |
| Ordinal | 21,142nd |
| This number as US currency | twenty-one thousand one hundred forty-two dollars |
| Is 21142 an odd number? | 21142 is NOT an odd number |
| Is 21142 an even number? | 21142 is an even number |
| Is 21142 a palindrome? | 21142 is NOT a palindrome number |
| Is 21142 a triangle number? | 21142 is NOT a triangle number |
21142 in other Bases
| Base 2 (Binary) | 1010010100101102 |
| Base 3 (Ternary) | 10020000013 |
| Base 4 (Quaternary) | 110221124 |
| Base 5 (Quinary) | 11340325 |
| Base 6 (Senary) | 2415146 |
| Base 8 (Octal) | 512268 |
| Base 12 (Duodecimal) | 1029A12 |
| Base 16 (Hexadecimal) | 529616 |
| Base 20 (Vigesimal) | 2CH220 |
Primes and Factors tests for 21142
| Is 21142 a Prime Number? | 21142 is NOT a prime |
| Is 21142 a perfect number? | 21142 is NOT a perfect number |
| Is 21142 a Mersenne Prime? | 21142 is NOT a Mersenne prime |
| Is 21142 a Fermat Prime? | 21142 is NOT a Fermat prime |
| Is 21142 a Fibonacci Prime? | 21142 is NOT a Fibonacci prime |
| Is 21142 a Partition Prime? | 21142 is NOT a Partition prime |
| Is 21142 a Pell Prime? | 21142 is NOT a Pell prime |
| Prime Factors | Prime factors of 21142 |
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21142 in other Numerals
| 21142 in Roman Numeral | XXMCXLII |
| 21142 in Chinese Numeral | 貳萬壹仟壹佰肆拾貳 |
| 21142 in Egyptian Numeral | 𓂮𓆼𓍢𓎉𓏻 |
| 21142 in Babylonian Numeral |    |
Roots and stuff for 21142
| Is 21142 a square number? | 21142 is NOT a square number |
| Is 21142 a cube number? | 21142 is NOT a cube number |
| Square root of the number 21142 | 145.40288855453 |
| Cube root of the number 21142 | 27.651287399441 |
Recreational math for 21142
| Number 21142 reversed | 24112 |
| Sum of the digits | 10 |
| No of digits | 5 |