The Number

21072

Twenty-One Thousand and Seventy-Two

In Base 13 Tridecimal Is

978c13

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

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

Nearby Numbers

Positive, nonzero integers within three units

21069
978913
Twenty-One Thousand and Sixty-Nine in Base 13 Tridecimal
21070
978a13
Twenty-One Thousand and Seventy in Base 13 Tridecimal
21071
978b13
Twenty-One Thousand and Seventy-One in Base 13 Tridecimal
21073
979013
Twenty-One Thousand and Seventy-Three in Base 13 Tridecimal
21074
979113
Twenty-One Thousand and Seventy-Four in Base 13 Tridecimal
21075
979213
Twenty-One Thousand and Seventy-Five in Base 13 Tridecimal

Scientific Notation

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

2.1072e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001480a7963a7596813

The reciprocal of 21072 in Base 13 Tridecimal.

Palindrome?

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

The number 978c13 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 seventy-two is a composite number with 20 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 and seventy-two is a composite number with 20 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 seventy-two has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
439
27a13
Four Hundred and Thirty-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

2134 · 3131 · 27a131 = 978c13

Base Conversions

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