The Number

213221

Two Hundred and Thirteen Thousand Two Hundred and Twenty-One

In Base 18 Octodecimal Is

20a1b18

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

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

Nearby Numbers

Positive, nonzero integers within three units

213218
20a1818
Two Hundred and Thirteen Thousand Two Hundred and Eightteen in Base 18 Octodecimal
213219
20a1918
Two Hundred and Thirteen Thousand Two Hundred and Nineteen in Base 18 Octodecimal
213220
20a1a18
Two Hundred and Thirteen Thousand Two Hundred and Twenty in Base 18 Octodecimal
213222
20a1c18
Two Hundred and Thirteen Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
213223
20a1d18
Two Hundred and Thirteen Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal
213224
20a1e18
Two Hundred and Thirteen Thousand Two 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.

2.13221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008f9550b16b4518

The reciprocal of 213221 in Base 18 Octodecimal.

Palindrome?

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

The number 20a1b18 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 two 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 two 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 two hundred and twenty-one has the following 2 prime factors:

79
4718
Seventy-Nine in Base 18 Octodecimal
2699
85h18
Two Thousand Six 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

47181 · 85h181 = 20a1b18

Base Conversions

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