Names of 640138
| Nominal | 640138 |
| Cardinal | six hundred forty thousand one hundred thirty-eight |
| Ordinal | 640,138th |
| This number as US currency | six hundred forty thousand one hundred thirty-eight dollars |
| Is 640138 an odd number? | 640138 is NOT an odd number |
| Is 640138 an even number? | 640138 is an even number |
| Is 640138 a palindrome? | 640138 is NOT a palindrome number |
| Is 640138 a triangle number? | 640138 is NOT a triangle number |
640138 in other Bases
| Base 2 (Binary) | 100111000100100010102 |
| Base 3 (Ternary) | 10121120022113 |
| Base 4 (Quaternary) | 21301020224 |
| Base 5 (Quinary) | 1304410235 |
| Base 6 (Senary) | 214153346 |
| Base 8 (Octal) | 23422128 |
| Base 12 (Duodecimal) | 26A54A12 |
| Base 16 (Hexadecimal) | 9C48A16 |
| Base 20 (Vigesimal) | 4006I20 |
Primes and Factors tests for 640138
| Is 640138 a Prime Number? | 640138 is NOT a prime |
| Is 640138 a perfect number? | 640138 is NOT a perfect number |
| Is 640138 a Mersenne Prime? | 640138 is NOT a Mersenne prime |
| Is 640138 a Fermat Prime? | 640138 is NOT a Fermat prime |
| Is 640138 a Fibonacci Prime? | 640138 is NOT a Fibonacci prime |
| Is 640138 a Partition Prime? | 640138 is NOT a Partition prime |
| Is 640138 a Pell Prime? | 640138 is NOT a Pell prime |
| Prime Factors | Prime factors of 640138 |
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640138 in other Numerals
| 640138 in Roman Numeral | DCXLCXXXVIII |
| 640138 in Chinese Numeral | 陸拾萬肆萬壹佰叄拾捌 |
| 640138 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓍢𓎈𓐁 |
| 640138 in Babylonian Numeral |     |
Roots and stuff for 640138
| Is 640138 a square number? | 640138 is NOT a square number |
| Is 640138 a cube number? | 640138 is NOT a cube number |
| Square root of the number 640138 | 800.08624535109 |
| Cube root of the number 640138 | 86.183581155869 |
Recreational math for 640138
| Number 640138 reversed | 831046 |
| Sum of the digits | 22 |
| No of digits | 6 |