Names of 640442
| Nominal | 640442 |
| Cardinal | six hundred forty thousand four hundred forty-two |
| Ordinal | 640,442nd |
| This number as US currency | six hundred forty thousand four hundred forty-two dollars |
| Is 640442 an odd number? | 640442 is NOT an odd number |
| Is 640442 an even number? | 640442 is an even number |
| Is 640442 a palindrome? | 640442 is NOT a palindrome number |
| Is 640442 a triangle number? | 640442 is NOT a triangle number |
640442 in other Bases
| Base 2 (Binary) | 100111000101101110102 |
| Base 3 (Ternary) | 10121121120023 |
| Base 4 (Quaternary) | 21301123224 |
| Base 5 (Quinary) | 1304432325 |
| Base 6 (Senary) | 214210026 |
| Base 8 (Octal) | 23426728 |
| Base 12 (Duodecimal) | 26A76212 |
| Base 16 (Hexadecimal) | 9C5BA16 |
| Base 20 (Vigesimal) | 4012220 |
Primes and Factors tests for 640442
| Is 640442 a Prime Number? | 640442 is NOT a prime |
| Is 640442 a perfect number? | 640442 is NOT a perfect number |
| Is 640442 a Mersenne Prime? | 640442 is NOT a Mersenne prime |
| Is 640442 a Fermat Prime? | 640442 is NOT a Fermat prime |
| Is 640442 a Fibonacci Prime? | 640442 is NOT a Fibonacci prime |
| Is 640442 a Partition Prime? | 640442 is NOT a Partition prime |
| Is 640442 a Pell Prime? | 640442 is NOT a Pell prime |
| Prime Factors | Prime factors of 640442 |
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640442 in other Numerals
| 640442 in Roman Numeral | DCXLCDXLII |
| 640442 in Chinese Numeral | 陸拾萬肆萬肆佰肆拾貳 |
| 640442 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓍥𓎉𓏻 |
| 640442 in Babylonian Numeral |    |
Roots and stuff for 640442
| Is 640442 a square number? | 640442 is NOT a square number |
| Is 640442 a cube number? | 640442 is NOT a cube number |
| Square root of the number 640442 | 800.27620232017 |
| Cube root of the number 640442 | 86.197221788751 |
Recreational math for 640442
| Number 640442 reversed | 244046 |
| Sum of the digits | 20 |
| No of digits | 6 |