Names of 648
| Nominal | 648 |
| Cardinal | six hundred forty-eight |
| Ordinal | 648th |
| This number as US currency | six hundred forty-eight dollars |
| Is 648 an odd number? | 648 is NOT an odd number |
| Is 648 an even number? | 648 is an even number |
| Is 648 a palindrome? | 648 is NOT a palindrome number |
| Is 648 a triangle number? | 648 is NOT a triangle number |
648 in other Bases
| Base 2 (Binary) | 10100010002 |
| Base 3 (Ternary) | 2200003 |
| Base 4 (Quaternary) | 220204 |
| Base 5 (Quinary) | 100435 |
| Base 6 (Senary) | 30006 |
| Base 8 (Octal) | 12108 |
| Base 12 (Duodecimal) | 46012 |
| Base 16 (Hexadecimal) | 28816 |
| Base 20 (Vigesimal) | 1C820 |
Primes and Factors tests for 648
| Is 648 a Prime Number? | 648 is NOT a prime |
| Is 648 a perfect number? | 648 is NOT a perfect number |
| Is 648 a Mersenne Prime? | 648 is NOT a Mersenne prime |
| Is 648 a Fermat Prime? | 648 is NOT a Fermat prime |
| Is 648 a Fibonacci Prime? | 648 is NOT a Fibonacci prime |
| Is 648 a Partition Prime? | 648 is NOT a Partition prime |
| Is 648 a Pell Prime? | 648 is NOT a Pell prime |
| Prime Factors | Prime factors of 648 |
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648 in other Numerals
| 648 in Roman Numeral | DCXLVIII |
| 648 in Chinese Numeral | 陸佰肆拾捌 |
| 648 in Egyptian Numeral | 𓍧𓎉𓐁 |
| 648 in Babylonian Numeral |   |
Roots and stuff for 648
| Is 648 a square number? | 648 is NOT a square number |
| Is 648 a cube number? | 648 is NOT a cube number |
| Square root of the number 648 | 25.455844122716 |
| Cube root of the number 648 | 8.6534974218444 |
Recreational math for 648
| Number 648 reversed | 846 |
| Sum of the digits | 18 |
| No of digits | 3 |