5

Previous number

4

Next number

6

Sum of digits

5

Divisors of 5

Number of divisors

2

Sum of divisors

6

Factorization

5 = 5

Prime factors of 5

Factor Count
5 1

Square of 5

25

Cube of 5

125

Square root of 5

2.23606797749978980505147774238139...

Cube root of 5

1.70997594667669683410338166140718...

5th triangle number

15

Reciprocal of 5

0.2000000000000000

Binary of 5

101

Number of digits of 5 in base 2

3

Octal of 5

5

Hexadecimal of 5

5

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

Quadratic residues of 5

QR5 (sequence)

5th composite number

10

Euler's totient function of 5

4

Carmichael function of 5

4

Möbius function of 5

-1

Properties of 5

Properties of the number 5: 5 has 2 divisors. The divisors of 5 are 1, 5 and the sum of them is 6. The factorization of 5 is 5. The square and cube of 5 are 25 and 125 respectively. The square root and cube root of 5 are 2.23606797749978980505147774238139... and 1.70997594667669683410338166140718.... The binary, octal, hexadecimal of 5 are 101, 5, 5. 5 is a prime number, not hexagonal number, not perfect number, deficient number, not Mersenne number, not Mersenne number, Harshad number, not harmonic divisor number.

sin 5

-0.95892427466313845396683746002964...

cos 5

0.28366218546322630178480039830902...

tan 5

-3.38051500624658496363394988293294...

sin 5°

0.08715574274765816586985067715432...

cos 5°

0.99619469809174554519870525837177...

tan 5°

0.08748866352592399309173742949497...

log 5

1.60943791243410028179994242236717...

log10 5

0.69897000433601885749368420874816...

log2 5

2.32192809488736218170856773213018...

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