Names of 640142
| Nominal | 640142 |
| Cardinal | six hundred forty thousand one hundred forty-two |
| Ordinal | 640,142nd |
| This number as US currency | six hundred forty thousand one hundred forty-two dollars |
| Is 640142 an odd number? | 640142 is NOT an odd number |
| Is 640142 an even number? | 640142 is an even number |
| Is 640142 a palindrome? | 640142 is NOT a palindrome number |
| Is 640142 a triangle number? | 640142 is NOT a triangle number |
640142 in other Bases
| Base 2 (Binary) | 100111000100100011102 |
| Base 3 (Ternary) | 10121120022223 |
| Base 4 (Quaternary) | 21301020324 |
| Base 5 (Quinary) | 1304410325 |
| Base 6 (Senary) | 214153426 |
| Base 8 (Octal) | 23422168 |
| Base 12 (Duodecimal) | 26A55212 |
| Base 16 (Hexadecimal) | 9C48E16 |
| Base 20 (Vigesimal) | 4007220 |
Primes and Factors tests for 640142
| Is 640142 a Prime Number? | 640142 is NOT a prime |
| Is 640142 a perfect number? | 640142 is NOT a perfect number |
| Is 640142 a Mersenne Prime? | 640142 is NOT a Mersenne prime |
| Is 640142 a Fermat Prime? | 640142 is NOT a Fermat prime |
| Is 640142 a Fibonacci Prime? | 640142 is NOT a Fibonacci prime |
| Is 640142 a Partition Prime? | 640142 is NOT a Partition prime |
| Is 640142 a Pell Prime? | 640142 is NOT a Pell prime |
| Prime Factors | Prime factors of 640142 |
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640142 in other Numerals
| 640142 in Roman Numeral | DCXLCXLII |
| 640142 in Chinese Numeral | 陸拾萬肆萬壹佰肆拾貳 |
| 640142 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓍢𓎉𓏻 |
| 640142 in Babylonian Numeral |    |
Roots and stuff for 640142
| Is 640142 a square number? | 640142 is NOT a square number |
| Is 640142 a cube number? | 640142 is NOT a cube number |
| Square root of the number 640142 | 800.08874507769 |
| Cube root of the number 640142 | 86.183760665915 |
Recreational math for 640142
| Number 640142 reversed | 241046 |
| Sum of the digits | 17 |
| No of digits | 6 |