The Number

21220

Twenty-One Thousand Two Hundred and Twenty

In Base 18 Octodecimal Is

3b8g18

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

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

Nearby Numbers

Positive, nonzero integers within three units

21217
3b8d18
Twenty-One Thousand Two Hundred and Seventeen in Base 18 Octodecimal
21218
3b8e18
Twenty-One Thousand Two Hundred and Eightteen in Base 18 Octodecimal
21219
3b8f18
Twenty-One Thousand Two Hundred and Nineteen in Base 18 Octodecimal
21221
3b8h18
Twenty-One Thousand Two Hundred and Twenty-One in Base 18 Octodecimal
21222
3b9018
Twenty-One Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
21223
3b9118
Twenty-One Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal

Scientific Notation

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

2.1220e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004h0f19c006ad218

The reciprocal of 21220 in Base 18 Octodecimal.

Palindrome?

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

The number 3b8g18 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand two hundred and twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and twenty is a composite number with 12 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-one thousand two hundred and twenty has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
1061
34h18
One Thousand and Sixty-One in Base 18 Octodecimal

Prime Factorization

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

2182 · 5181 · 34h181 = 3b8g18

Base Conversions

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