Names of 6440
| Nominal | 6440 |
| Cardinal | six thousand four hundred forty |
| Ordinal | 6,440th |
| This number as US currency | six thousand four hundred forty dollars |
| Is 6440 an odd number? | 6440 is NOT an odd number |
| Is 6440 an even number? | 6440 is an even number |
| Is 6440 a palindrome? | 6440 is NOT a palindrome number |
| Is 6440 a triangle number? | 6440 is NOT a triangle number |
6440 in other Bases
| Base 2 (Binary) | 11001001010002 |
| Base 3 (Ternary) | 222111123 |
| Base 4 (Quaternary) | 12102204 |
| Base 5 (Quinary) | 2012305 |
| Base 6 (Senary) | 454526 |
| Base 8 (Octal) | 144508 |
| Base 12 (Duodecimal) | 388812 |
| Base 16 (Hexadecimal) | 192816 |
| Base 20 (Vigesimal) | G2020 |
Primes and Factors tests for 6440
| Is 6440 a Prime Number? | 6440 is NOT a prime |
| Is 6440 a perfect number? | 6440 is NOT a perfect number |
| Is 6440 a Mersenne Prime? | 6440 is NOT a Mersenne prime |
| Is 6440 a Fermat Prime? | 6440 is NOT a Fermat prime |
| Is 6440 a Fibonacci Prime? | 6440 is NOT a Fibonacci prime |
| Is 6440 a Partition Prime? | 6440 is NOT a Partition prime |
| Is 6440 a Pell Prime? | 6440 is NOT a Pell prime |
| Prime Factors | Prime factors of 6440 |
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6440 in other Numerals
| 6440 in Roman Numeral | VMCDXL |
| 6440 in Chinese Numeral | 陸仟肆佰肆拾 |
| 6440 in Egyptian Numeral | 𓇁𓍥𓎉 |
| 6440 in Babylonian Numeral |    |
Roots and stuff for 6440
| Is 6440 a square number? | 6440 is NOT a square number |
| Is 6440 a cube number? | 6440 is NOT a cube number |
| Square root of the number 6440 | 80.249610590956 |
| Cube root of the number 6440 | 18.6049549369 |
Recreational math for 6440
| Number 6440 reversed | 0446 |
| Sum of the digits | 14 |
| No of digits | 4 |