Names of 640997
| Nominal | 640997 |
| Cardinal | six hundred forty thousand nine hundred ninety-seven |
| Ordinal | 640,997th |
| This number as US currency | six hundred forty thousand nine hundred ninety-seven dollars |
| Is 640997 an odd number? | 640997 is an odd number |
| Is 640997 an even number? | 640997 is NOT an even number |
| Is 640997 a palindrome? | 640997 is NOT a palindrome number |
| Is 640997 a triangle number? | 640997 is NOT a triangle number |
640997 in other Bases
| Base 2 (Binary) | 100111000111111001012 |
| Base 3 (Ternary) | 10121200211223 |
| Base 4 (Quaternary) | 21301332114 |
| Base 5 (Quinary) | 1310024425 |
| Base 6 (Senary) | 214233256 |
| Base 8 (Octal) | 23437458 |
| Base 12 (Duodecimal) | 26AB4512 |
| Base 16 (Hexadecimal) | 9C7E516 |
| Base 20 (Vigesimal) | 4029H20 |
Primes and Factors tests for 640997
| Is 640997 a Prime Number? | 640997 is NOT a prime |
| Is 640997 a perfect number? | 640997 is NOT a perfect number |
| Is 640997 a Mersenne Prime? | 640997 is NOT a Mersenne prime |
| Is 640997 a Fermat Prime? | 640997 is NOT a Fermat prime |
| Is 640997 a Fibonacci Prime? | 640997 is NOT a Fibonacci prime |
| Is 640997 a Partition Prime? | 640997 is NOT a Partition prime |
| Is 640997 a Pell Prime? | 640997 is NOT a Pell prime |
| Prime Factors | Prime factors of 640997 |
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640997 in other Numerals
| 640997 in Roman Numeral | DCXLCMXCVII |
| 640997 in Chinese Numeral | 陸拾萬肆萬玖佰玖拾柒 |
| 640997 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓍪𓎎𓐀 |
| 640997 in Babylonian Numeral |     |
Roots and stuff for 640997
| Is 640997 a square number? | 640997 is NOT a square number |
| Is 640997 a cube number? | 640997 is NOT a cube number |
| Square root of the number 640997 | 800.62288251086 |
| Cube root of the number 640997 | 86.222113788179 |
Recreational math for 640997
| Number 640997 reversed | 799046 |
| Sum of the digits | 35 |
| No of digits | 6 |