The Number

22721

Twenty-Two Thousand Seven Hundred and Twenty-One

In Base 13 Tridecimal Is

a45a13

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

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

Nearby Numbers

Positive, nonzero integers within three units

22718
a45713
Twenty-Two Thousand Seven Hundred and Eightteen in Base 13 Tridecimal
22719
a45813
Twenty-Two Thousand Seven Hundred and Nineteen in Base 13 Tridecimal
22720
a45913
Twenty-Two Thousand Seven Hundred and Twenty in Base 13 Tridecimal
22722
a45b13
Twenty-Two Thousand Seven Hundred and Twenty-Two in Base 13 Tridecimal
22723
a45c13
Twenty-Two Thousand Seven Hundred and Twenty-Three in Base 13 Tridecimal
22724
a46013
Twenty-Two Thousand Seven Hundred and Twenty-Four in Base 13 Tridecimal

Scientific Notation

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

2.2721e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000134590a345a41913

The reciprocal of 22721 in Base 13 Tridecimal.

Palindrome?

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

The number a45a13 is not a palindrome.

A Prime Number

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

Twenty-two thousand seven hundred and twenty-one is the 2539th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-two thousand seven hundred and twenty-one has the following 1 prime factor:

22721
a45a13
Twenty-Two Thousand Seven Hundred and Twenty-One in Base 13 Tridecimal

Prime Factorization

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

a45a131 = a45a13

Base Conversions

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