The Number

221001

Two Hundred and Twenty-One Thousand and One

In Base 18 Octodecimal Is

21g1f18

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

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

Nearby Numbers

Positive, nonzero integers within three units

220998
21g1c18
Two Hundred and Twenty Thousand Nine Hundred and Ninety-Eight in Base 18 Octodecimal
220999
21g1d18
Two Hundred and Twenty Thousand Nine Hundred and Ninety-Nine in Base 18 Octodecimal
221000
21g1e18
Two Hundred and Twenty-One Thousand in Base 18 Octodecimal
221002
21g1g18
Two Hundred and Twenty-One Thousand and Two in Base 18 Octodecimal
221003
21g1h18
Two Hundred and Twenty-One Thousand and Three in Base 18 Octodecimal
221004
21g2018
Two Hundred and Twenty-One Thousand and 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.

2.21001e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089g3f53a2333g18

The reciprocal of 221001 in Base 18 Octodecimal.

Palindrome?

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

The number 21g1f18 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-one thousand and one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand 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 two hundred and twenty-one thousand and one has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
37
2118
Thirty-Seven in Base 18 Octodecimal
181
a118
One Hundred and Eighty-One in Base 18 Octodecimal

Prime Factorization

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

3181 · b181 · 21181 · a1181 = 21g1f18

Base Conversions

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