Names of 640742
| Nominal | 640742 |
| Cardinal | six hundred forty thousand seven hundred forty-two |
| Ordinal | 640,742nd |
| This number as US currency | six hundred forty thousand seven hundred forty-two dollars |
| Is 640742 an odd number? | 640742 is NOT an odd number |
| Is 640742 an even number? | 640742 is an even number |
| Is 640742 a palindrome? | 640742 is NOT a palindrome number |
| Is 640742 a triangle number? | 640742 is NOT a triangle number |
640742 in other Bases
| Base 2 (Binary) | 100111000110111001102 |
| Base 3 (Ternary) | 10121122210123 |
| Base 4 (Quaternary) | 21301232124 |
| Base 5 (Quinary) | 1310004325 |
| Base 6 (Senary) | 214222226 |
| Base 8 (Octal) | 23433468 |
| Base 12 (Duodecimal) | 26A97212 |
| Base 16 (Hexadecimal) | 9C6E616 |
| Base 20 (Vigesimal) | 401H220 |
Primes and Factors tests for 640742
| Is 640742 a Prime Number? | 640742 is NOT a prime |
| Is 640742 a perfect number? | 640742 is NOT a perfect number |
| Is 640742 a Mersenne Prime? | 640742 is NOT a Mersenne prime |
| Is 640742 a Fermat Prime? | 640742 is NOT a Fermat prime |
| Is 640742 a Fibonacci Prime? | 640742 is NOT a Fibonacci prime |
| Is 640742 a Partition Prime? | 640742 is NOT a Partition prime |
| Is 640742 a Pell Prime? | 640742 is NOT a Pell prime |
| Prime Factors | Prime factors of 640742 |
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640742 in other Numerals
| 640742 in Roman Numeral | DCXLDCCXLII |
| 640742 in Chinese Numeral | 陸拾萬肆萬柒佰肆拾貳 |
| 640742 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓍨𓎉𓏻 |
| 640742 in Babylonian Numeral |    |
Roots and stuff for 640742
| Is 640742 a square number? | 640742 is NOT a square number |
| Is 640742 a cube number? | 640742 is NOT a cube number |
| Square root of the number 640742 | 800.46361566282 |
| Cube root of the number 640742 | 86.210678708546 |
Recreational math for 640742
| Number 640742 reversed | 247046 |
| Sum of the digits | 23 |
| No of digits | 6 |