Names of 640397
| Nominal | 640397 |
| Cardinal | six hundred forty thousand three hundred ninety-seven |
| Ordinal | 640,397th |
| This number as US currency | six hundred forty thousand three hundred ninety-seven dollars |
| Is 640397 an odd number? | 640397 is an odd number |
| Is 640397 an even number? | 640397 is NOT an even number |
| Is 640397 a palindrome? | 640397 is NOT a palindrome number |
| Is 640397 a triangle number? | 640397 is NOT a triangle number |
640397 in other Bases
| Base 2 (Binary) | 100111000101100011012 |
| Base 3 (Ternary) | 10121121101023 |
| Base 4 (Quaternary) | 21301120314 |
| Base 5 (Quinary) | 1304430425 |
| Base 6 (Senary) | 214204456 |
| Base 8 (Octal) | 23426158 |
| Base 12 (Duodecimal) | 26A72512 |
| Base 16 (Hexadecimal) | 9C58D16 |
| Base 20 (Vigesimal) | 400JH20 |
Primes and Factors tests for 640397
| Is 640397 a Prime Number? | 640397 is NOT a prime |
| Is 640397 a perfect number? | 640397 is NOT a perfect number |
| Is 640397 a Mersenne Prime? | 640397 is NOT a Mersenne prime |
| Is 640397 a Fermat Prime? | 640397 is NOT a Fermat prime |
| Is 640397 a Fibonacci Prime? | 640397 is NOT a Fibonacci prime |
| Is 640397 a Partition Prime? | 640397 is NOT a Partition prime |
| Is 640397 a Pell Prime? | 640397 is NOT a Pell prime |
| Prime Factors | Prime factors of 640397 |
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640397 in other Numerals
| 640397 in Roman Numeral | DCXLCCCXCVII |
| 640397 in Chinese Numeral | 陸拾萬肆萬叄佰玖拾柒 |
| 640397 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓍤𓎎𓐀 |
| 640397 in Babylonian Numeral |     |
Roots and stuff for 640397
| Is 640397 a square number? | 640397 is NOT a square number |
| Is 640397 a cube number? | 640397 is NOT a cube number |
| Square root of the number 640397 | 800.24808653317 |
| Cube root of the number 640397 | 86.19520288835 |
Recreational math for 640397
| Number 640397 reversed | 793046 |
| Sum of the digits | 29 |
| No of digits | 6 |