Number 6561

Names of 6561

Nominal 6561
Cardinal six thousand five hundred sixty-one
Ordinal 6,561st
This number as US currency six thousand five hundred sixty-one dollars

Properties (and some facts) of 6561

Is 6561 an odd number? 6561 is an odd number
Is 6561 an even number? 6561 is NOT an even number
Is 6561 a palindrome? 6561 is NOT a palindrome number
Is 6561 a triangle number? 6561 is NOT a triangle number

6561 in other Bases

Base 2 (Binary) 11001101000012
Base 3 (Ternary) 1000000003
Base 4 (Quaternary) 12122014
Base 5 (Quinary) 2022215
Base 6 (Senary) 502136
Base 8 (Octal) 146418
Base 12 (Duodecimal) 396912
Base 16 (Hexadecimal) 19A116
Base 20 (Vigesimal) G8120

Primes and Factors tests for 6561

Is 6561 a Prime Number? 6561 is NOT a prime
Is 6561 a perfect number? 6561 is NOT a perfect number
Is 6561 a Mersenne Prime? 6561 is NOT a Mersenne prime
Is 6561 a Fermat Prime? 6561 is NOT a Fermat prime
Is 6561 a Fibonacci Prime? 6561 is NOT a Fibonacci prime
Is 6561 a Partition Prime? 6561 is NOT a Partition prime
Is 6561 a Pell Prime? 6561 is NOT a Pell prime
Prime Factors Prime factors of 6561

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6561 in other Numerals

6561 in Roman Numeral VMDLXI
6561 in Chinese Numeral 陸仟伍佰陸拾壹
6561 in Egyptian Numeral 𓇁𓍦𓎋𓏺
6561 in Babylonian Numeral 1   49   21  

Roots and stuff for 6561

Is 6561 a square number? 6561 is a square number
Is 6561 a cube number? 6561 is NOT a cube number
Square root of the number 6561 81
Cube root of the number 6561 18.720754407467

Recreational math for 6561

Number 6561 reversed 1656
Sum of the digits 18
No of digits 4