The Number

221901

Two Hundred and Twenty-One Thousand Nine Hundred and One

In Base 18 Octodecimal Is

220ff18

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

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

Nearby Numbers

Positive, nonzero integers within three units

221898
220fc18
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Eight in Base 18 Octodecimal
221899
220fd18
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Nine in Base 18 Octodecimal
221900
220fe18
Two Hundred and Twenty-One Thousand Nine Hundred in Base 18 Octodecimal
221902
220fg18
Two Hundred and Twenty-One Thousand Nine Hundred and Two in Base 18 Octodecimal
221903
220fh18
Two Hundred and Twenty-One Thousand Nine Hundred and Three in Base 18 Octodecimal
221904
220g018
Two Hundred and Twenty-One Thousand Nine Hundred 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.

2.21901e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000894hah286000818

The reciprocal of 221901 in Base 18 Octodecimal.

Palindrome?

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

The number 220ff18 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 nine hundred 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 nine 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 two hundred and twenty-one thousand nine hundred and one has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
229
cd18
Two Hundred and Twenty-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

3181 · h181 · 11181 · cd181 = 220ff18

Base Conversions

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