The Number

81729

Eighty-One Thousand Seven Hundred and Twenty-Nine

In Base 13 Tridecimal Is

2b27b13

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

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

Nearby Numbers

Positive, nonzero integers within three units

81726
2b27813
Eighty-One Thousand Seven Hundred and Twenty-Six in Base 13 Tridecimal
81727
2b27913
Eighty-One Thousand Seven Hundred and Twenty-Seven in Base 13 Tridecimal
81728
2b27a13
Eighty-One Thousand Seven Hundred and Twenty-Eight in Base 13 Tridecimal
81730
2b27c13
Eighty-One Thousand Seven Hundred and Thirty in Base 13 Tridecimal
81731
2b28013
Eighty-One Thousand Seven Hundred and Thirty-One in Base 13 Tridecimal
81732
2b28113
Eighty-One Thousand Seven Hundred and Thirty-Two in Base 13 Tridecimal

Scientific Notation

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

8.1729e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004709bc9289837413

The reciprocal of 81729 in Base 13 Tridecimal.

Palindrome?

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

The number 2b27b13 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand seven hundred and twenty-nine is a composite number with 10 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand seven hundred and twenty-nine is a composite number with 10 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 eighty-one thousand seven hundred and twenty-nine has the following 2 prime factors:

3
313
Three in Base 13 Tridecimal
1009
5c813
One Thousand and 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

3134 · 5c8131 = 2b27b13

Base Conversions

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