43

Nearby Numbers

Positive, nonzero integers within three units

40
Forty
41
Forty-One
42
Forty-Two
44
Forty-Four
45
Forty-Five
46
Forty-Six

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

Reciprocal

A number multiplied with its reciprocal is one.

`0.023255813953488372`

The reciprocal of 43.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 43 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Forty-three is the 14th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Forty-Three is not a composite number because it has exactly two factors: One and Forty-Three

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number forty-three has the following 1 prime factor:

43
Forty-Three

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

Base Conversions

The number forty-three in 35 different bases