Names of 42
| Nominal | 42 |
| Cardinal | forty-two |
| Ordinal | 42nd |
| This number as US currency | forty-two dollars |
| Is 42 an odd number? | 42 is NOT an odd number |
| Is 42 an even number? | 42 is an even number |
| Is 42 a palindrome? | 42 is NOT a palindrome number |
| Is 42 a triangle number? | 42 is NOT a triangle number |
42 in other Bases
| Base 2 (Binary) | 1010102 |
| Base 3 (Ternary) | 11203 |
| Base 4 (Quaternary) | 2224 |
| Base 5 (Quinary) | 1325 |
| Base 6 (Senary) | 1106 |
| Base 8 (Octal) | 528 |
| Base 12 (Duodecimal) | 3612 |
| Base 16 (Hexadecimal) | 2A16 |
| Base 20 (Vigesimal) | 2220 |
Primes and Factors tests for 42
| Is 42 a Prime Number? | 42 is NOT a prime |
| Is 42 a perfect number? | 42 is NOT a perfect number |
| Is 42 a Mersenne Prime? | 42 is NOT a Mersenne prime |
| Is 42 a Fermat Prime? | 42 is NOT a Fermat prime |
| Is 42 a Fibonacci Prime? | 42 is NOT a Fibonacci prime |
| Is 42 a Partition Prime? | 42 is NOT a Partition prime |
| Is 42 a Pell Prime? | 42 is NOT a Pell prime |
| Prime Factors | Prime factors of 42 |
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42 in other Numerals
| 42 in Roman Numeral | XLII |
| 42 in Chinese Numeral | 肆拾貳 |
| 42 in Egyptian Numeral | 𓎉𓏻 |
| 42 in Babylonian Numeral |  |
Roots and stuff for 42
| Is 42 a square number? | 42 is NOT a square number |
| Is 42 a cube number? | 42 is NOT a cube number |
| Square root of the number 42 | 6.4807406984079 |
| Cube root of the number 42 | 3.4760266448864 |
Recreational math for 42
| Number 42 reversed | 24 |
| Sum of the digits | 6 |
| No of digits | 2 |