2

Previous number

1

Next number

3

Sum of digits

2

Divisors of 2

Number of divisors

2

Sum of divisors

3

Factorization

2 = 2

Prime factors of 2

Factor Count
2 1

Square of 2

4

Cube of 2

8

Square root of 2

1.41421356237309514547462185873883...

Cube root of 2

1.25992104989487319066654436028330...

2th triangle number

3

Reciprocal of 2

0.5000000000000000

Binary of 2

10

Number of digits of 2 in base 2

2

Octal of 2

2

Hexadecimal of 2

2

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 2

QR2 (sequence)

2th composite number

6

Euler's totient function of 2

1

Carmichael function of 2

1

Möbius function of 2

-1

Properties of 2

Properties of the number 2: 2 has 2 divisors. The divisors of 2 are 1, 2 and the sum of them is 3. The factorization of 2 is 2. The square and cube of 2 are 4 and 8 respectively. The square root and cube root of 2 are 1.41421356237309514547462185873883... and 1.25992104989487319066654436028330.... The binary, octal, hexadecimal of 2 are 10, 2, 2. 2 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 2

0.90929742682568170941692642372800...

cos 2

-0.41614683654714240690353221907571...

tan 2

-2.18503986326151888874846918042749...

sin 2°

0.03489949670250096919188464994477...

cos 2°

0.99939082701909576211818375668372...

tan 2°

0.03492076949174773015105444073924...

log 2

0.69314718055994528622676398299518...

log10 2

0.30102999566398119801746702250966...

log2 2

1.00000000000000000000000000000000...

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