The Number

21838

Twenty-One Thousand Eight Hundred and Thirty-Eight

In Base 13 Tridecimal Is

9c2b13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21835
9c2813
Twenty-One Thousand Eight Hundred and Thirty-Five in Base 13 Tridecimal
21836
9c2913
Twenty-One Thousand Eight Hundred and Thirty-Six in Base 13 Tridecimal
21837
9c2a13
Twenty-One Thousand Eight Hundred and Thirty-Seven in Base 13 Tridecimal
21839
9c2c13
Twenty-One Thousand Eight Hundred and Thirty-Nine in Base 13 Tridecimal
21840
9c3013
Twenty-One Thousand Eight Hundred and Forty in Base 13 Tridecimal
21841
9c3113
Twenty-One Thousand Eight Hundred and Forty-One in Base 13 Tridecimal

Scientific Notation

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

2.1838e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001400496141309a713

The reciprocal of 21838 in Base 13 Tridecimal.

Palindrome?

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

The number 9c2b13 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 eight hundred and thirty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and thirty-eight 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 eight hundred and thirty-eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
61
4913
Sixty-One in Base 13 Tridecimal
179
10a13
One Hundred and Seventy-Nine in Base 13 Tridecimal

Prime Factorization

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

2131 · 49131 · 10a131 = 9c2b13

Base Conversions

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