The Number

155021

One Hundred and Fifty-Five Thousand and Twenty-One

In Base 18 Octodecimal Is

18a8518

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

155018
18a8218
One Hundred and Fifty-Five Thousand and Eightteen in Base 18 Octodecimal
155019
18a8318
One Hundred and Fifty-Five Thousand and Nineteen in Base 18 Octodecimal
155020
18a8418
One Hundred and Fifty-Five Thousand and Twenty in Base 18 Octodecimal
155022
18a8618
One Hundred and Fifty-Five Thousand and Twenty-Two in Base 18 Octodecimal
155023
18a8718
One Hundred and Fifty-Five Thousand and Twenty-Three in Base 18 Octodecimal
155024
18a8818
One Hundred and Fifty-Five Thousand and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

1.55021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000c374fhh01bhcd18

The reciprocal of 155021 in Base 18 Octodecimal.

Palindrome?

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

The number 18a8518 is not a palindrome.

Not A Prime Number

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

One hundred and fifty-five thousand and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and fifty-five thousand and twenty-one is a composite number with 8 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 one hundred and fifty-five thousand and twenty-one has the following 3 prime factors:

19
1118
Nineteen in Base 18 Octodecimal
41
2518
Forty-One in Base 18 Octodecimal
199
b118
One Hundred and Ninety-Nine in Base 18 Octodecimal

Prime Factorization

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

11181 · 25181 · b1181 = 18a8518

Base Conversions

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