The Number

22221

Twenty-Two Thousand Two Hundred and Twenty-One

In Base 18 Octodecimal Is

3ea918

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

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

Nearby Numbers

Positive, nonzero integers within three units

22218
3ea618
Twenty-Two Thousand Two Hundred and Eightteen in Base 18 Octodecimal
22219
3ea718
Twenty-Two Thousand Two Hundred and Nineteen in Base 18 Octodecimal
22220
3ea818
Twenty-Two Thousand Two Hundred and Twenty in Base 18 Octodecimal
22222
3eaa18
Twenty-Two Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
22223
3eab18
Twenty-Two Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal
22224
3eac18
Twenty-Two 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.

2.2221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004d0b790ab5gc7918

The reciprocal of 22221 in Base 18 Octodecimal.

Palindrome?

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

The number 3ea918 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-two thousand two hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-two thousand two hundred and twenty-one is a composite number with 8 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 twenty-two thousand two hundred and twenty-one has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
823
29d18
Eight Hundred and Twenty-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

3183 · 29d181 = 3ea918

Base Conversions

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