# 65

11

4

84

65 = 5 × 13

Factor Count
5 1
13 1

4225

274625

## Square root of 65

8.06225774829854913150484208017588...

## Cube root of 65

4.02072575858905789658592766500078...

2145

## Reciprocal of 65

0.0153846153846154

1000001

7

## Octal of 65

101

41

 Prime number No Hexagonal number No Perfect number No Deficient number No Abundant number No Mersenne number No Harshad number No Harmonic divisor number No

QR65 (sequence)

90

48

12

1

## Properties of 65

Properties of the number 65: 65 has 4 divisors. The divisors of 65 are 1, 5, 13, 65 and the sum of them is 84. The factorization of 65 is 5 × 13. The square and cube of 65 are 4225 and 274625 respectively. The square root and cube root of 65 are 8.06225774829854913150484208017588... and 4.02072575858905789658592766500078.... The binary, octal, hexadecimal of 65 are 1000001, 101, 41. 65 is not a prime number, not hexagonal number, not perfect number, not deficient number, not Mersenne number, not Mersenne number, not Harshad number, not harmonic divisor number.

## sin 65

0.82682867949010341312998662033351...

## cos 65

-0.56245385123817204231499999877997...

## tan 65

-1.47003825766317230971935714478604...

## sin 65°

0.90630778703664993667388216636027...

## cos 65°

0.42261826174069944128675047068100...

## tan 65°

2.14450692050955860068484071234707...

## log 65

4.17438726989563679836692244862206...

## log10 65

1.81291335664285546691587569512194...

## log2 65

6.02236781302845436414372670697048...