Names of 42840
| Nominal | 42840 |
| Cardinal | forty-two thousand eight hundred forty |
| Ordinal | 42,840th |
| This number as US currency | forty-two thousand eight hundred forty dollars |
| Is 42840 an odd number? | 42840 is NOT an odd number |
| Is 42840 an even number? | 42840 is an even number |
| Is 42840 a palindrome? | 42840 is NOT a palindrome number |
| Is 42840 a triangle number? | 42840 is NOT a triangle number |
42840 in other Bases
| Base 2 (Binary) | 10100111010110002 |
| Base 3 (Ternary) | 20112022003 |
| Base 4 (Quaternary) | 221311204 |
| Base 5 (Quinary) | 23323305 |
| Base 6 (Senary) | 5302006 |
| Base 8 (Octal) | 1235308 |
| Base 12 (Duodecimal) | 2096012 |
| Base 16 (Hexadecimal) | A75816 |
| Base 20 (Vigesimal) | 572020 |
Primes and Factors tests for 42840
| Is 42840 a Prime Number? | 42840 is NOT a prime |
| Is 42840 a perfect number? | 42840 is NOT a perfect number |
| Is 42840 a Mersenne Prime? | 42840 is NOT a Mersenne prime |
| Is 42840 a Fermat Prime? | 42840 is NOT a Fermat prime |
| Is 42840 a Fibonacci Prime? | 42840 is NOT a Fibonacci prime |
| Is 42840 a Partition Prime? | 42840 is NOT a Partition prime |
| Is 42840 a Pell Prime? | 42840 is NOT a Pell prime |
| Prime Factors | Prime factors of 42840 |
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42840 in other Numerals
| 42840 in Roman Numeral | XLMMDCCCXL |
| 42840 in Chinese Numeral | 肆萬貳仟捌佰肆拾 |
| 42840 in Egyptian Numeral | 𓂰𓆽𓍩𓎉 |
| 42840 in Babylonian Numeral |   |
Roots and stuff for 42840
| Is 42840 a square number? | 42840 is NOT a square number |
| Is 42840 a cube number? | 42840 is NOT a cube number |
| Square root of the number 42840 | 206.97825972792 |
| Cube root of the number 42840 | 34.990473597787 |
Recreational math for 42840
| Number 42840 reversed | 04824 |
| Sum of the digits | 18 |
| No of digits | 5 |