The Number

21103

Twenty-One Thousand One Hundred and Three

In Base 18 Octodecimal Is

3b2718

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
21104
3b2818
Twenty-One Thousand One Hundred and Four in Base 18 Octodecimal
21105
3b2918
Twenty-One Thousand One Hundred and Five in Base 18 Octodecimal
21106
3b2a18
Twenty-One Thousand One Hundred and Six in Base 18 Octodecimal

Scientific Notation

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

2.1103e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004h9d0de80c75718

The reciprocal of 21103 in Base 18 Octodecimal.

Palindrome?

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

The number 3b2718 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 one hundred and three 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.

Twenty-one thousand one hundred and three 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 twenty-one thousand one hundred and three has the following 2 prime factors:

47
2b18
Forty-Seven in Base 18 Octodecimal
449
16h18
Four Hundred and Forty-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

2b181 · 16h181 = 3b2718

Base Conversions

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