The Number

221015

Two Hundred and Twenty-One Thousand and Fifteen

In Base 18 Octodecimal Is

21g2b18

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

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

Nearby Numbers

Positive, nonzero integers within three units

221012
21g2818
Two Hundred and Twenty-One Thousand and Twelve in Base 18 Octodecimal
221013
21g2918
Two Hundred and Twenty-One Thousand and Thirteen in Base 18 Octodecimal
221014
21g2a18
Two Hundred and Twenty-One Thousand and Fourteen in Base 18 Octodecimal
221016
21g2c18
Two Hundred and Twenty-One Thousand and Sixteen in Base 18 Octodecimal
221017
21g2d18
Two Hundred and Twenty-One Thousand and Seventeen in Base 18 Octodecimal
221018
21g2e18
Two Hundred and Twenty-One Thousand and Eightteen in Base 18 Octodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.21015e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089g0c7ecfb95c18

The reciprocal of 221015 in Base 18 Octodecimal.

Palindrome?

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

The number 21g2b18 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 fifteen 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 twenty-one thousand and fifteen 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 twenty-one thousand and fifteen has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
44203
7a7d18
Forty-Four Thousand Two Hundred and Three in Base 18 Octodecimal

Prime Factorization

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

5181 · 7a7d181 = 21g2b18

Base Conversions

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