The Number

28120

Twenty-Eight Thousand One Hundred and Twenty

In Base 21 Unovigesimal Is

30g121

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

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

Nearby Numbers

Positive, nonzero integers within three units

28117
30fj21
Twenty-Eight Thousand One Hundred and Seventeen in Base 21 Unovigesimal
28118
30fk21
Twenty-Eight Thousand One Hundred and Eightteen in Base 21 Unovigesimal
28119
30g021
Twenty-Eight Thousand One Hundred and Nineteen in Base 21 Unovigesimal
28121
30g221
Twenty-Eight Thousand One Hundred and Twenty-One in Base 21 Unovigesimal
28122
30g321
Twenty-Eight Thousand One Hundred and Twenty-Two in Base 21 Unovigesimal
28123
30g421
Twenty-Eight Thousand One Hundred and Twenty-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.

2.8120e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006j501ihhhajd721

The reciprocal of 28120 in Base 21 Unovigesimal.

Palindrome?

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

The number 30g121 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 one hundred and twenty is a composite number with 32 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 one hundred and twenty is a composite number with 32 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 one hundred and twenty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal

Prime Factorization

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

2213 · 5211 · j211 · 1g211 = 30g121

Base Conversions

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