The Number

221361

Two Hundred and Twenty-One Thousand Three Hundred and Sixty-One

In Base 18 Octodecimal Is

21h3f18

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

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

Nearby Numbers

Positive, nonzero integers within three units

221358
21h3c18
Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Eight in Base 18 Octodecimal
221359
21h3d18
Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Nine in Base 18 Octodecimal
221360
21h3e18
Two Hundred and Twenty-One Thousand Three Hundred and Sixty in Base 18 Octodecimal
221362
21h3g18
Two Hundred and Twenty-One Thousand Three Hundred and Sixty-Two in Base 18 Octodecimal
221363
21h3h18
Two Hundred and Twenty-One Thousand Three Hundred and Sixty-Three in Base 18 Octodecimal
221364
21h4018
Two Hundred and Twenty-One Thousand Three Hundred and Sixty-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.

2.21361e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089bcdaf05g86a18

The reciprocal of 221361 in Base 18 Octodecimal.

Palindrome?

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

The number 21h3f18 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 three hundred and sixty-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 three hundred and sixty-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 three hundred and sixty-one has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
83
4b18
Eighty-Three in Base 18 Octodecimal
127
7118
One Hundred and Twenty-Seven 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 · 7181 · 4b181 · 71181 = 21h3f18

Base Conversions

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