The Number

18128

Eightteen Thousand One Hundred and Twenty-Eight

In Base 18 Octodecimal Is

31h218

The numbers with a 18 subscript use Base 18 Octodecimal 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
31gh18
Eightteen Thousand One Hundred and Twenty-Five in Base 18 Octodecimal
18126
31h018
Eightteen Thousand One Hundred and Twenty-Six in Base 18 Octodecimal
18127
31h118
Eightteen Thousand One Hundred and Twenty-Seven in Base 18 Octodecimal
18129
31h318
Eightteen Thousand One Hundred and Twenty-Nine in Base 18 Octodecimal
18130
31h418
Eightteen Thousand One Hundred and Thirty in Base 18 Octodecimal
18131
31h518
Eightteen Thousand One Hundred and Thirty-One in Base 18 Octodecimal

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.

0.0005e4413d3b8da518

The reciprocal of 18128 in Base 18 Octodecimal.

Palindrome?

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

The number 31h218 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 18 Octodecimal

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
218
Two in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
103
5d18
One Hundred and Three in Base 18 Octodecimal

Prime Factorization

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

2184 · b181 · 5d181 = 31h218

Base Conversions

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