# 13

4

2

14

13 = 13

Factor Count
13 1

169

2197

## Square root of 13

3.60555127546398912485869914235082...

## Cube root of 13

2.35133468772075726604953160858713...

91

## Reciprocal of 13

0.0769230769230769

1101

4

## Octal of 13

15

d

 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

QR13 (sequence)

22

12

12

-1

## Properties of 13

Properties of the number 13: 13 has 2 divisors. The divisors of 13 are 1, 13 and the sum of them is 14. The factorization of 13 is 13. The square and cube of 13 are 169 and 2197 respectively. The square root and cube root of 13 are 3.60555127546398912485869914235082... and 2.35133468772075726604953160858713.... The binary, octal, hexadecimal of 13 are 1101, 15, d. 13 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 13

0.42016703682664091612508627804345...

## cos 13

0.90744678145019619375233332903008...

## tan 13

0.46302113293648961001025554651278...

## sin 13°

0.22495105434386500342647252637107...

## cos 13°

0.97437006478523524588553073044750...

## tan 13°

0.23086819112556311583972501466633...

## log 13

2.56494935746153673861158495128620...

## log10 13

1.11394335230683672044449394888943...

## log2 13

3.70043971814109218243515897484031...