The Number

28400

Twenty-Eight Thousand Four Hundred

In Base 21 Unovigesimal Is

318821

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

28397
318521
Twenty-Eight Thousand Three Hundred and Ninety-Seven in Base 21 Unovigesimal
28398
318621
Twenty-Eight Thousand Three Hundred and Ninety-Eight in Base 21 Unovigesimal
28399
318721
Twenty-Eight Thousand Three Hundred and Ninety-Nine in Base 21 Unovigesimal
28401
318921
Twenty-Eight Thousand Four Hundred and One in Base 21 Unovigesimal
28402
318a21
Twenty-Eight Thousand Four Hundred and Two in Base 21 Unovigesimal
28403
318b21
Twenty-Eight Thousand Four Hundred and Three in Base 21 Unovigesimal

Scientific Notation

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

2.8400e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006hgjch5fh6e8621

The reciprocal of 28400 in Base 21 Unovigesimal.

Palindrome?

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

The number 318821 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 thousand four hundred is a composite number with 30 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand four hundred is a composite number with 30 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 thousand four hundred has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
71
3821
Seventy-One in Base 21 Unovigesimal

Prime Factorization

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

2214 · 5212 · 38211 = 318821

Base Conversions

The number twenty-eight thousand four hundred in 35 different bases