The Number

18128

Eightteen Thousand One Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

1k2521

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

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

Nearby Numbers

Positive, nonzero integers within three units

18125
1k2221
Eightteen Thousand One Hundred and Twenty-Five in Base 21 Unovigesimal
18126
1k2321
Eightteen Thousand One Hundred and Twenty-Six in Base 21 Unovigesimal
18127
1k2421
Eightteen Thousand One Hundred and Twenty-Seven in Base 21 Unovigesimal
18129
1k2621
Eightteen Thousand One Hundred and Twenty-Nine in Base 21 Unovigesimal
18130
1k2721
Eightteen Thousand One Hundred and Thirty in Base 21 Unovigesimal
18131
1k2821
Eightteen Thousand One 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.

1.8128e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000af62k252bb8h21

The reciprocal of 18128 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k2521 is not a palindrome.

Not A Prime Number

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

Eightteen thousand one hundred and twenty-eight is a composite number with 20 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand one hundred and twenty-eight is a composite number with 20 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 eightteen thousand one hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
11
b21
Eleven 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

2214 · b211 · 4j211 = 1k2521

Base Conversions

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