The Number

81831

Eighty-One Thousand Eight Hundred and Thirty-One

In Base 13 Tridecimal Is

2b32913

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

For more familiar numbers: See Eighty-One Thousand Eight Hundred and Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81828
2b32613
Eighty-One Thousand Eight Hundred and Twenty-Eight in Base 13 Tridecimal
81829
2b32713
Eighty-One Thousand Eight Hundred and Twenty-Nine in Base 13 Tridecimal
81830
2b32813
Eighty-One Thousand Eight Hundred and Thirty in Base 13 Tridecimal
81832
2b32a13
Eighty-One Thousand Eight Hundred and Thirty-Two in Base 13 Tridecimal
81833
2b32b13
Eighty-One Thousand Eight Hundred and Thirty-Three in Base 13 Tridecimal
81834
2b32c13
Eighty-One Thousand Eight Hundred and Thirty-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.

8.1831e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000046ca632625b78313

The reciprocal of 81831 in Base 13 Tridecimal.

Palindrome?

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

The number 2b32913 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 eight hundred and thirty-one is a composite number with 4 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 eight hundred and thirty-one is a composite number with 4 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 eight hundred and thirty-one has the following 2 prime factors:

3
313
Three in Base 13 Tridecimal
27277
c55313
Twenty-Seven Thousand Two Hundred and Seventy-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

3131 · c553131 = 2b32913

Base Conversions

The number eighty-one thousand eight hundred and thirty-one in 35 different bases