The Number

81492

Eighty-One Thousand Four Hundred and Ninety-Two

In Base 13 Tridecimal Is

2b12813

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

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

Nearby Numbers

Positive, nonzero integers within three units

81489
2b12513
Eighty-One Thousand Four Hundred and Eighty-Nine in Base 13 Tridecimal
81490
2b12613
Eighty-One Thousand Four Hundred and Ninety in Base 13 Tridecimal
81491
2b12713
Eighty-One Thousand Four Hundred and Ninety-One in Base 13 Tridecimal
81493
2b12913
Eighty-One Thousand Four Hundred and Ninety-Three in Base 13 Tridecimal
81494
2b12a13
Eighty-One Thousand Four Hundred and Ninety-Four in Base 13 Tridecimal
81495
2b12b13
Eighty-One Thousand Four Hundred and Ninety-Five in Base 13 Tridecimal

Scientific Notation

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

8.1492e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000472cc43a47384913

The reciprocal of 81492 in Base 13 Tridecimal.

Palindrome?

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

The number 2b12813 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 four hundred and ninety-two is a composite number with 12 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 four hundred and ninety-two is a composite number with 12 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 four hundred and ninety-two has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
6791
312513
Six Thousand Seven Hundred and Ninety-One in Base 13 Tridecimal

Prime Factorization

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

2132 · 3131 · 3125131 = 2b12813

Base Conversions

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