842142
Everything about the number 842142 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 842142
| Nominal | 842142 |
| Cardinal | eight hundred forty-two thousand one hundred forty-two |
| Ordinal | 842,142nd |
| This number as US currency | eight hundred forty-two thousand one hundred forty-two dollars |
Properties (and some facts) of 842142
| Is 842142 an odd number? | 842142 is not an odd number |
| Is 842142 an even number? | 842142 is an even number |
| Is 842142 a palindrome? | 842142 is not a palindrome |
| Is 842142 a triangle number? | 842142 is not a triangle number |
842142 in other bases
| Base 2 (Binary) | 11001101100110011110 |
| Base 3 (Ternary) | 1120210012110 |
| Base 4 (Quaternary) | 3031212132 |
| Base 5 (Quinary) | 203422032 |
| Base 6 (Senary) | 30014450 |
| Base 8 (Octal) | 3154636 |
| Base 12 (Duodecimal) | 347426 |
| Base 16 (Hexadecimal) | CD99E |
| Base 20 (Vigesimal) | 55572 |
Primes and factors tests for 842142
| Is 842142 a prime number? | 842142 is not a prime number |
| Is 842142 a perfect number? | 842142 is not a perfect number |
| Is 842142 a Mersenne prime? | 842142 is not a Mersenne prime |
| Is 842142 a Fermat prime? | 842142 is not a Fermat prime |
| Is 842142 a Fibonacci prime? | 842142 is not a Fibonacci prime |
| Is 842142 a partition prime? | 842142 is not a partition prime |
| Is 842142 a Pell prime? | 842142 is not a Pell prime |
| Prime Factors | Prime factors of 842142 |
842142 in other numeral systems
| 842142 in Roman numerals | DCDCXLMMCXLII |
| 842142 in Chinese numerals | 捌拾萬肆萬貳仟壹佰肆拾貳 |
| 842142 in Babylonian numerals |     |
| 842142 in Egyptian numerals | 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓆽𓍢𓎉𓏻 |
Roots and squares for 842142
| Is 842142 a square number? | 842142 is not a square number |
| Is 842142 a cube number? | 842142 is not a cube number |
| Square root of 842142 | 917.68295178673 |
| Cube root of 842142 | 94.434012329729 |
Recreational math for 842142
| Number 842142 reversed | 241248 |
| Sum of the digits | 21 |
| Number of digits | 6 |