The Number

28

Twenty-Eight

In Base 28 Octovigesimal Is

1028

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

For more familiar numbers: See Twenty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

25
p28
Twenty-Five in Base 28 Octovigesimal
26
q28
Twenty-Six in Base 28 Octovigesimal
27
r28
Twenty-Seven in Base 28 Octovigesimal
29
1128
Twenty-Nine in Base 28 Octovigesimal
30
1228
Thirty in Base 28 Octovigesimal
31
1328
Thirty-One in Base 28 Octovigesimal

Scientific Notation

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

2.8e1

Reciprocal

A number multiplied with its reciprocal is one.

0.128

The reciprocal of 28 in Base 28 Octovigesimal.

Palindrome?

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

The number 1028 is not a palindrome.

Not A Prime Number

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

Twenty-eight is a composite number with 6 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-eight is a composite number with 6 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 twenty-eight has the following 2 prime factors:

2
228
Two in Base 28 Octovigesimal
7
728
Seven in Base 28 Octovigesimal

Prime Factorization

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

2282 · 7281 = 1028

Base Conversions

The number twenty-eight in 35 different bases