The Number

28101

Twenty-Eight Thousand One Hundred and One

In Base 21 Unovigesimal Is

30f321

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

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

Nearby Numbers

Positive, nonzero integers within three units

28098
30f021
Twenty-Eight Thousand and Ninety-Eight in Base 21 Unovigesimal
28099
30f121
Twenty-Eight Thousand and Ninety-Nine in Base 21 Unovigesimal
28100
30f221
Twenty-Eight Thousand One Hundred in Base 21 Unovigesimal
28102
30f421
Twenty-Eight Thousand One Hundred and Two in Base 21 Unovigesimal
28103
30f521
Twenty-Eight Thousand One Hundred and Three in Base 21 Unovigesimal
28104
30f621
Twenty-Eight Thousand One Hundred and Four in Base 21 Unovigesimal

Scientific Notation

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

2.8101e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006j7186jjj69b21

The reciprocal of 28101 in Base 21 Unovigesimal.

Palindrome?

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

The number 30f321 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 one is a composite number with 16 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 one is a composite number with 16 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 one has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal

Prime Factorization

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

3211 · h211 · j211 · 18211 = 30f321

Base Conversions

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