The Number

42

Forty-Two

In Base 15 Quindecimal Is

2c15

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

39
2915
Thirty-Nine in Base 15 Quindecimal
40
2a15
Forty in Base 15 Quindecimal
41
2b15
Forty-One in Base 15 Quindecimal
43
2d15
Forty-Three in Base 15 Quindecimal
44
2e15
Forty-Four in Base 15 Quindecimal
45
3015
Forty-Five in Base 15 Quindecimal

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.

0.05555555555555515

The reciprocal of 42 in Base 15 Quindecimal.

Palindrome?

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

The number 2c15 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 15 Quindecimal

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
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal

Prime Factorization

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

2151 · 3151 · 7151 = 2c15

Base Conversions

The number forty-two in 35 different bases