The Number

81830

Eighty-One Thousand Eight Hundred and Thirty

In Base 13 Tridecimal Is

2b32813

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

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

Nearby Numbers

Positive, nonzero integers within three units

81827
2b32513
Eighty-One Thousand Eight Hundred and Twenty-Seven in Base 13 Tridecimal
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
81831
2b32913
Eighty-One Thousand Eight Hundred and Thirty-One 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

Scientific Notation

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

8.1830e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000046ca7aa161a5a6b13

The reciprocal of 81830 in Base 13 Tridecimal.

Palindrome?

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

The number 2b32813 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 is a composite number with 24 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 is a composite number with 24 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 has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
167
cb13
One Hundred and Sixty-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

2131 · 5131 · 7132 · cb131 = 2b32813

Base Conversions

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