Names of 128640
| Nominal | 128640 |
| Cardinal | one hundred twenty-eight thousand six hundred forty |
| Ordinal | 128,640th |
| This number as US currency | one hundred twenty-eight thousand six hundred forty dollars |
| Is 128640 an odd number? | 128640 is NOT an odd number |
| Is 128640 an even number? | 128640 is an even number |
| Is 128640 a palindrome? | 128640 is NOT a palindrome number |
| Is 128640 a triangle number? | 128640 is NOT a triangle number |
128640 in other Bases
| Base 2 (Binary) | 111110110100000002 |
| Base 3 (Ternary) | 201121101103 |
| Base 4 (Quaternary) | 1331220004 |
| Base 5 (Quinary) | 131040305 |
| Base 6 (Senary) | 24313206 |
| Base 8 (Octal) | 3732008 |
| Base 12 (Duodecimal) | 6254012 |
| Base 16 (Hexadecimal) | 1F68016 |
| Base 20 (Vigesimal) | G1C020 |
Primes and Factors tests for 128640
| Is 128640 a Prime Number? | 128640 is NOT a prime |
| Is 128640 a perfect number? | 128640 is NOT a perfect number |
| Is 128640 a Mersenne Prime? | 128640 is NOT a Mersenne prime |
| Is 128640 a Fermat Prime? | 128640 is NOT a Fermat prime |
| Is 128640 a Fibonacci Prime? | 128640 is NOT a Fibonacci prime |
| Is 128640 a Partition Prime? | 128640 is NOT a Partition prime |
| Is 128640 a Pell Prime? | 128640 is NOT a Pell prime |
| Prime Factors | Prime factors of 128640 |
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128640 in other Numerals
| 128640 in Roman Numeral | CXXVMMMDCXL |
| 128640 in Chinese Numeral | 壹拾萬貳萬捌仟陸佰肆拾 |
| 128640 in Egyptian Numeral | 𓆐𓂮𓇃𓍧𓎉 |
| 128640 in Babylonian Numeral |   |
Roots and stuff for 128640
| Is 128640 a square number? | 128640 is NOT a square number |
| Is 128640 a cube number? | 128640 is NOT a cube number |
| Square root of the number 128640 | 358.66418834336 |
| Cube root of the number 128640 | 50.4806971288 |
Recreational math for 128640
| Number 128640 reversed | 046821 |
| Sum of the digits | 21 |
| No of digits | 6 |