The Number

42

Forty-Two

In Base 16 Hexadecimal Is

2a16

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

For more familiar numbers: See Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

39
2716
Thirty-Nine in Base 16 Hexadecimal
40
2816
Forty in Base 16 Hexadecimal
41
2916
Forty-One in Base 16 Hexadecimal
43
2b16
Forty-Three in Base 16 Hexadecimal
44
2c16
Forty-Four in Base 16 Hexadecimal
45
2d16
Forty-Five in Base 16 Hexadecimal

Scientific Notation

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

4.2e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0618618618618616

The reciprocal of 42 in Base 16 Hexadecimal.

Palindrome?

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

The number 2a16 is not a palindrome.

Not A Prime Number

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

Forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

Forty-two is a composite number with 8 total factors (including 1 and itself).

Prime Factors

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

The number forty-two has the following 3 prime factors:

2
216
Two in Base 16 Hexadecimal
3
316
Three in Base 16 Hexadecimal
7
716
Seven in Base 16 Hexadecimal

Prime Factorization

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

2161 · 3161 · 7161 = 2a16

Base Conversions

The number forty-two in 35 different bases