The Number

221208

Two Hundred and Twenty-One Thousand Two Hundred and Eight

In Base 18 Octodecimal Is

21gd618

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

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

Nearby Numbers

Positive, nonzero integers within three units

221205
21gd318
Two Hundred and Twenty-One Thousand Two Hundred and Five in Base 18 Octodecimal
221206
21gd418
Two Hundred and Twenty-One Thousand Two Hundred and Six in Base 18 Octodecimal
221207
21gd518
Two Hundred and Twenty-One Thousand Two Hundred and Seven in Base 18 Octodecimal
221209
21gd718
Two Hundred and Twenty-One Thousand Two Hundred and Nine in Base 18 Octodecimal
221210
21gd818
Two Hundred and Twenty-One Thousand Two Hundred and Ten in Base 18 Octodecimal
221211
21gd918
Two Hundred and Twenty-One Thousand Two Hundred and Eleven in Base 18 Octodecimal

Scientific Notation

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

2.21208e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089db36heab42618

The reciprocal of 221208 in Base 18 Octodecimal.

Palindrome?

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

The number 21gd618 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 two hundred and eight is a composite number with 32 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 two hundred and eight is a composite number with 32 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 two hundred and eight has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
709
23718
Seven Hundred and 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

2183 · 3181 · d181 · 237181 = 21gd618

Base Conversions

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