The Number

40

Forty

In Base 28 Octovigesimal Is

1c28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

For more familiar numbers: See Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

37
1928
Thirty-Seven in Base 28 Octovigesimal
38
1a28
Thirty-Eight in Base 28 Octovigesimal
39
1b28
Thirty-Nine in Base 28 Octovigesimal
41
1d28
Forty-One in Base 28 Octovigesimal
42
1e28
Forty-Two in Base 28 Octovigesimal
43
1f28
Forty-Three in Base 28 Octovigesimal

Scientific Notation

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

4e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0jgmb5gmb5gn28

The reciprocal of 40 in Base 28 Octovigesimal.

Palindrome?

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

The number 1c28 is not a palindrome.

Not A Prime Number

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

Forty is a composite number with 8 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Forty 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 has the following 2 prime factors:

2
228
Two in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal

Prime Factorization

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

2283 · 5281 = 1c28

Base Conversions

The number forty in 35 different bases