3

Previous number

2

Next number

4

Sum of digits

3

Divisors of 3

Number of divisors

2

Sum of divisors

4

Factorization

3 = 3

Prime factors of 3

Factor Count
3 1

Square of 3

9

Cube of 3

27

Square root of 3

1.73205080756887719317660412343685...

Cube root of 3

1.44224957030740830177251154964324...

3th triangle number

6

Reciprocal of 3

0.3333333333333333

Binary of 3

11

Number of digits of 3 in base 2

2

Octal of 3

3

Hexadecimal of 3

3

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

Quadratic residues of 3

QR3 (sequence)

3th composite number

8

Euler's totient function of 3

2

Carmichael function of 3

2

Möbius function of 3

-1

Properties of 3

Properties of the number 3: 3 has 2 divisors. The divisors of 3 are 1, 3 and the sum of them is 4. The factorization of 3 is 3. The square and cube of 3 are 9 and 27 respectively. The square root and cube root of 3 are 1.73205080756887719317660412343685... and 1.44224957030740830177251154964324.... The binary, octal, hexadecimal of 3 are 11, 3, 3. 3 is a prime number, not hexagonal number, not perfect number, deficient number, not Mersenne number, Mersenne number, Harshad number, not harmonic divisor number.

sin 3

0.14112000805986721352347501579061...

cos 3

-0.98999249660044541521131122863153...

tan 3

-0.14254654307427780390860050374613...

sin 3°

0.05233595624294383463759317010044...

cos 3°

0.99862953475457383323288240717375...

tan 3°

0.05240777928304121008329374831192...

log 3

1.09861228866810978210821758693783...

log10 3

0.47712125471966243539512220195320...

log2 3

1.58496250072115607565592654282227...

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