Number 65

Names of 65

Nominal 65
Cardinal sixty-five
Ordinal 65th
This number as US currency sixty-five dollars

Properties (and some facts) of 65

Is 65 an odd number? 65 is an odd number
Is 65 an even number? 65 is NOT an even number
Is 65 a palindrome? 65 is NOT a palindrome number
Is 65 a triangle number? 65 is NOT a triangle number

65 in other Bases

Base 2 (Binary) 10000012
Base 3 (Ternary) 21023
Base 4 (Quaternary) 10014
Base 5 (Quinary) 2305
Base 6 (Senary) 1456
Base 8 (Octal) 1018
Base 12 (Duodecimal) 5512
Base 16 (Hexadecimal) 4116
Base 20 (Vigesimal) 3520

Primes and Factors tests for 65

Is 65 a Prime Number? 65 is NOT a prime
Is 65 a perfect number? 65 is NOT a perfect number
Is 65 a Mersenne Prime? 65 is NOT a Mersenne prime
Is 65 a Fermat Prime? 65 is NOT a Fermat prime
Is 65 a Fibonacci Prime? 65 is NOT a Fibonacci prime
Is 65 a Partition Prime? 65 is NOT a Partition prime
Is 65 a Pell Prime? 65 is NOT a Pell prime
Prime Factors Prime factors of 65

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65 in other Numerals

65 in Roman Numeral LXV
65 in Chinese Numeral 陸拾伍
65 in Egyptian Numeral 𓎋𓏾
65 in Babylonian Numeral 1   5  

Roots and stuff for 65

Is 65 a square number? 65 is NOT a square number
Is 65 a cube number? 65 is NOT a cube number
Square root of the number 65 8.0622577482985
Cube root of the number 65 4.0207257585891

Recreational math for 65

Number 65 reversed 56
Sum of the digits 11
No of digits 2