The Number

213121

Two Hundred and Thirteen Thousand One Hundred and Twenty-One

In Base 18 Octodecimal Is

209e118

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

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

Nearby Numbers

Positive, nonzero integers within three units

213118
209dg18
Two Hundred and Thirteen Thousand One Hundred and Eightteen in Base 18 Octodecimal
213119
209dh18
Two Hundred and Thirteen Thousand One Hundred and Nineteen in Base 18 Octodecimal
213120
209e018
Two Hundred and Thirteen Thousand One Hundred and Twenty in Base 18 Octodecimal
213122
209e218
Two Hundred and Thirteen Thousand One Hundred and Twenty-Two in Base 18 Octodecimal
213123
209e318
Two Hundred and Thirteen Thousand One Hundred and Twenty-Three in Base 18 Octodecimal
213124
209e418
Two Hundred and Thirteen Thousand One Hundred 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.

2.13121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008fab99f02f5a318

The reciprocal of 213121 in Base 18 Octodecimal.

Palindrome?

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

The number 209e118 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 thirteen thousand one hundred and twenty-one is a composite number with 4 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 thirteen thousand one hundred and twenty-one is a composite number with 4 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 thirteen thousand one hundred and twenty-one has the following 2 prime factors:

29
1b18
Twenty-Nine in Base 18 Octodecimal
7349
14c518
Seven Thousand Three Hundred and Forty-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

1b181 · 14c5181 = 209e118

Base Conversions

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