The Number

72009

Seventy-Two Thousand and Nine

In Base 13 Tridecimal Is

26a1213

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

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

Nearby Numbers

Positive, nonzero integers within three units

72006
26a0c13
Seventy-Two Thousand and Six in Base 13 Tridecimal
72007
26a1013
Seventy-Two Thousand and Seven in Base 13 Tridecimal
72008
26a1113
Seventy-Two Thousand and Eight in Base 13 Tridecimal
72010
26a1313
Seventy-Two Thousand and Ten in Base 13 Tridecimal
72011
26a1413
Seventy-Two Thousand and Eleven in Base 13 Tridecimal
72012
26a1513
Seventy-Two Thousand and Twelve in Base 13 Tridecimal

Scientific Notation

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

7.2009e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000520523c7772435513

The reciprocal of 72009 in Base 13 Tridecimal.

Palindrome?

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

The number 26a1213 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand and nine 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.

Seventy-two thousand and nine 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 seventy-two thousand and nine has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
127
9a13
One Hundred and Twenty-Seven in Base 13 Tridecimal

Prime Factorization

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

3134 · 7131 · 9a131 = 26a1213

Base Conversions

The number seventy-two thousand and nine in 35 different bases