The Number

81393

Eighty-One Thousand Three Hundred and Ninety-Three

In Base 13 Tridecimal Is

2b08013

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

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

Nearby Numbers

Positive, nonzero integers within three units

81390
2b07a13
Eighty-One Thousand Three Hundred and Ninety in Base 13 Tridecimal
81391
2b07b13
Eighty-One Thousand Three Hundred and Ninety-One in Base 13 Tridecimal
81392
2b07c13
Eighty-One Thousand Three Hundred and Ninety-Two in Base 13 Tridecimal
81394
2b08113
Eighty-One Thousand Three Hundred and Ninety-Four in Base 13 Tridecimal
81395
2b08213
Eighty-One Thousand Three Hundred and Ninety-Five in Base 13 Tridecimal
81396
2b08313
Eighty-One Thousand Three Hundred and Ninety-Six in Base 13 Tridecimal

Scientific Notation

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

8.1393e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000473c17bc459c14813

The reciprocal of 81393 in Base 13 Tridecimal.

Palindrome?

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

The number 2b08013 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 three hundred and ninety-three is a composite number with 8 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 three hundred and ninety-three is a composite number with 8 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 three hundred and ninety-three has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
2087
c4713
Two Thousand and Eighty-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 · 10131 · c47131 = 2b08013

Base Conversions

The number eighty-one thousand three hundred and ninety-three in 35 different bases