The Number

81408

Eighty-One Thousand Four Hundred and Eight

In Base 13 Tridecimal Is

2b09213

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

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

Nearby Numbers

Positive, nonzero integers within three units

81405
2b08c13
Eighty-One Thousand Four Hundred and Five in Base 13 Tridecimal
81406
2b09013
Eighty-One Thousand Four Hundred and Six in Base 13 Tridecimal
81407
2b09113
Eighty-One Thousand Four Hundred and Seven in Base 13 Tridecimal
81409
2b09313
Eighty-One Thousand Four Hundred and Nine in Base 13 Tridecimal
81410
2b09413
Eighty-One Thousand Four Hundred and Ten in Base 13 Tridecimal
81411
2b09513
Eighty-One Thousand Four Hundred and Eleven in Base 13 Tridecimal

Scientific Notation

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

8.1408e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000473a37ab334759a13

The reciprocal of 81408 in Base 13 Tridecimal.

Palindrome?

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

The number 2b09213 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 eight is a composite number with 40 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 eight is a composite number with 40 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 eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
53
4113
Fifty-Three in Base 13 Tridecimal

Prime Factorization

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

2139 · 3131 · 41131 = 2b09213

Base Conversions

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