The Number

21503

Twenty-One Thousand Five Hundred and Three

In Base 13 Tridecimal Is

9a3113

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

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

Nearby Numbers

Positive, nonzero integers within three units

21500
9a2b13
Twenty-One Thousand Five Hundred in Base 13 Tridecimal
21501
9a2c13
Twenty-One Thousand Five Hundred and One in Base 13 Tridecimal
21502
9a3013
Twenty-One Thousand Five Hundred and Two in Base 13 Tridecimal
21504
9a3213
Twenty-One Thousand Five Hundred and Four in Base 13 Tridecimal
21505
9a3313
Twenty-One Thousand Five Hundred and Five in Base 13 Tridecimal
21506
9a3413
Twenty-One Thousand Five Hundred and Six in Base 13 Tridecimal

Scientific Notation

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

2.1503e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00014361893ba7049a13

The reciprocal of 21503 in Base 13 Tridecimal.

Palindrome?

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

The number 9a3113 is not a palindrome.

A Prime Number

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

Twenty-one thousand five hundred and three is the 2413th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Five Hundred and Three is not a composite number because it has exactly two factors: One and Twenty-One Thousand Five Hundred and Three

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 five hundred and three has the following 1 prime factor:

21503
9a3113
Twenty-One Thousand Five Hundred and Three in Base 13 Tridecimal

Prime Factorization

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

9a31131 = 9a3113

Base Conversions

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