The Number

21099

Twenty-One Thousand and Ninety-Nine

In Base 18 Octodecimal Is

3b2318

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

For more familiar numbers: See Twenty-One Thousand and Ninety-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21096
3b2018
Twenty-One Thousand and Ninety-Six in Base 18 Octodecimal
21097
3b2118
Twenty-One Thousand and Ninety-Seven in Base 18 Octodecimal
21098
3b2218
Twenty-One Thousand and Ninety-Eight in Base 18 Octodecimal
21100
3b2418
Twenty-One Thousand One Hundred in Base 18 Octodecimal
21101
3b2518
Twenty-One Thousand One Hundred and One in Base 18 Octodecimal
21102
3b2618
Twenty-One Thousand One Hundred and Two in Base 18 Octodecimal

Scientific Notation

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

2.1099e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004ha09de67319518

The reciprocal of 21099 in Base 18 Octodecimal.

Palindrome?

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

The number 3b2318 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 and ninety-nine 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-one thousand and ninety-nine 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-one thousand and ninety-nine has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
541
1c118
Five Hundred and Forty-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

3181 · d181 · 1c1181 = 3b2318

Base Conversions

The number twenty-one thousand and ninety-nine in 35 different bases