The Number

28428

Twenty-Eight Thousand Four Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

319f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

28425
319c21
Twenty-Eight Thousand Four Hundred and Twenty-Five in Base 21 Unovigesimal
28426
319d21
Twenty-Eight Thousand Four Hundred and Twenty-Six in Base 21 Unovigesimal
28427
319e21
Twenty-Eight Thousand Four Hundred and Twenty-Seven in Base 21 Unovigesimal
28429
319g21
Twenty-Eight Thousand Four Hundred and Twenty-Nine in Base 21 Unovigesimal
28430
319h21
Twenty-Eight Thousand Four Hundred and Thirty in Base 21 Unovigesimal
28431
319i21
Twenty-Eight Thousand Four Hundred and Thirty-One in Base 21 Unovigesimal

Scientific Notation

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

2.8428e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006hdk31f94j9bf21

The reciprocal of 28428 in Base 21 Unovigesimal.

Palindrome?

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

The number 319f21 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 and twenty-eight is a composite number with 24 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 and twenty-eight is a composite number with 24 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 and twenty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
103
4j21
One Hundred and Three in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 12211 · 4j211 = 319f21

Base Conversions

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